Aspericin C is a pyran derivative found in the marine-derived fungus Rhizopus sp. 2-PDA-61. Aspericin C shows cytotoxic activities against P388, A549, HL-60, and BEL-7420 cell lines (IC50=14.6, 7.1, 61.4, and 24.2 μM, respectively).

Stearic acid-1-13C is the 13C labeled Stearic acid. Stearic acid is a long chain dietary saturated fatty acid which exists in many animal and vegetable fats and oils.

Linoleic acid-13C1 is the 13C labeled Linoleic acid. Linoleic acid is a common polyunsaturated (PUFA) found in plant-based oils, nuts and seeds. Linoleic acid is a part of membrane phospholipids, and functions as a structural component to maintain a certain level of membrane fluidity of the transdermal water barrier of the epidermis. Linoleic acid induces red blood cells and hemoglobin damage via oxidative mechanism .

UDP-glucosamine (UDP-GlcNAc) disodium is a substrate for O-GlcNAc transferase, which catalyzes the attachment of O-GlcNAc to proteins. O-GlcNAcase catalyzes the removal of O-GlcNAc from proteins. UDP-glucosamine (UDP-GlcNAc) disodium is the end product of the hexosamine biosynthesis pathway, which is regulated primarily by glucose-6-phosphate-Glutamine:fructose-6-phosphate amidotransferase (GFAT).

Aculene D, a fungal metabolite, shows quorum sensing (QS) inhibitory activity against Chromobacterium violaceum CV026, and could significantly reduce violacein production in N-hexanoyl-l-homoserine lactone (C6-HSL) induced C. violaceum CV026 cultures at sub-inhibitory concentrations.

Epsilon-(gamma-glutamyl)-lysine (H-Glu(H-Lys-OH)-OH) TFA is an N(6)-acyl-L-lysine derivative. The enzyme tissue transglutaminase (tTg) helps the formation of epsilon-(gamma-glutamyl)lysine bonds between ECM components in some disease, such as non-diabetic kidney, glaucoma filtration.

Glycine-13C is the 13C-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

Glycine-1-13C is the 13C-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

Glycine-2-13C,15N is the 13C- and 15N-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

Glycine-1-13C,15N is the 13C- and 15N-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

L-Alanine-13C2 (L-2-Aminopropionic acid-13C2) is the 13C-labeled L-Alanine. L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

Myristic acid-13C the 13C is labeled Myristic acid. Myristic acid is a saturated 14-carbon fatty acid occurring in most animal and vegetable fats, particularly butterfat and coconut, palm, and nutmeg oils.

Valinotricin is a fungal metabolite.

Neohydroxyaspergillic acid, an antibiotic, is active against some bacteriophages.

Digalacturonic acid is a metabolite of pectin or pectic acid. Digalacturonic acid can be used for the co-crystallization of enzymes such as proteinase K.

Piliformic acid is a fungal metabolite found in the endophytic fungus Xylariasp sp.(No. 2508) from mangrove trees from the coast of the South China Sea.

L-Tryptophan-15N (Tryptophan-15N) is the 15N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

L-Tryptophan-15N2 (Tryptophan-15N2) is the 15N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

Lauric acid-13C is the 13C labeled Lauric acid. Lauric acid is a middle chain-free fatty acid with strong bactericidal properties. The EC50s for P. acnes, S.aureus, S. epidermidis, are 2, 6, 4 μg/mL, respectively.

Myristic acid-13C3 is the 13C labeled Myristic acid. Myristic acid is a saturated 14-carbon fatty acid occurring in most animal and vegetable fats, particularly butterfat and coconut, palm, and nutmeg oils.

Orotidine 5'-monophosphate trisodium is a pyrimidine nucleotide. Orotidine 5'-monophosphate trisodium is synthesized via the de novo synthesis pathway for DNA synthesis in a large number of microorganisms including M. tuberculosis, S. cerevisiae, S. typhimurium and P. falciparum to name a few. The synthesis of orotidine 5'-monophosphate trisodium uses phosphoribosyl pyrophosphate (PRPP) and orotic acid (OA) as the substrates catalyzed by orotate phosphoribosyltransferase (OPRT).

L-Tryptophan-1-13C (Tryptophan-1-13C) is the 13C-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

L-Tryptophan-13C (Tryptophan-13C) is the 13C-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

L-Tyrosine-13C9 is the 13C-labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

L-Homoarginine-13C7,15N4 hydrochloride is the 13C- and 15N-labeled H-HomoArg-OH.HCl. H-HomoArg-OH.HCl is an endogenous metabolite.

L-Lysine-13C6 dihydrochloride is the 13C-labeled L-Lysine dihydrochloride. L-lysine dihydrochloride is an essential amino acid with important roles in connective tissues and carnitine synthesis, energy production, growth in children, and maintenance of immune functions.

L-Histidine-13C6 (H-His-OH-13C6) hydrochloride hydrate is the 13C-labeled L-Histidine hydrochloride hydrate. L-Histidine hydrochloride hydrate (H-His-OH.HCl.H2O) is an endogenous metabolite.

L-Histidine-13C6,15N3 (H-His-OH-13C6,15N3) hydrochloride hydrate is the 13C- and 15N-labeled L-Histidine hydrochloride hydrate. L-Histidine hydrochloride hydrate (H-His-OH.HCl.H2O) is an endogenous metabolite.

L-Glutamic acid-13C5 is the 13C-labeled L-Glutamic acid. L-Glutamic acid acts as an excitatory transmitter and an agonist at all subtypes of glutamate receptors (metabotropic, kainate, NMDA, and AMPA). L-Glutamic acid shows a direct activating effect on the release of DA from dopaminergic terminals.

L-Glutamic acid-13C5,15N is the 13C- and 15N-labeled L-Glutamic acid. L-Glutamic acid acts as an excitatory transmitter and an agonist at all subtypes of glutamate receptors (metabotropic, kainate, NMDA, and AMPA). L-Glutamic acid shows a direct activating effect on the release of DA from dopaminergic terminals.