D-glutamine is a D type stereoisomer of glutamine which is one of the 20 amino acids encoded by the standard genetic code.

DGAT2 inhibitor 2 is a novel potent, selective DGAT2 inhibitor with IC50 of 6 nM (hDGAT2), shows no significant activity for DGAT1 (IC50>20 uM).

DGAT1-IN-1 is a potent DGAT1 inhibitor with IC50 of < 10 nM..

DGAT-1 inhibitor 2 is an effective inhibitor of DGAT-1;antiobesity agents.

D-G23 is a small molecule that inhibits RAD52-mediated ssDNA annealing with IC50 of 5.8 uM, binds to RAD52 with Kd of 34 uM and inhibits D-loop formation with IC50 of 7.2 uM in vitro.

DFMO (Ornithine Decarboxylase inhibitor DFMO) is an irreversible inhibitor of ornithine decarboxylase (ODC), inhibits polyamine biosynthesis.

D-Fagomine (Fagomine) is a a mild glycosidase inhibitor, inhibits Amyloglucosidase (A.niger), β-Glucosidase (bovine), and Isomaltase (yeast) with Ki of 4.8 uM, 39 uM, and 70 uM, respectively.

Dextromethorphan hydrobromide hydrate is an antitussive drug.

Dextromethorphan hydrobromide

Dexrazoxane Hydrochloride

Dexpanthenol is an alcoholic analogue of D-pantothenic acid and cholinergic agent.

Detomidine hydrochloride produce dose-dependent sedative and analgesic effects, is a nonnarcotic, synthetic α2-adrenergic agonist

Desvenlafaxine succinate hydrate is an antidepressant of the serotonin-norepinephrine reuptake inhibitor (SNRI).

Desoximetasone is a glucocorticoid.

Desonide

Desloratadine(Sch34117) is a potent antagonist for human histamine H1 receptor used to treat allergies.

Deracoxib, a selective cyclooxygenase-2 inhibitor, is a non-narcotic, non-steroidal anti-inflammatory drug (NSAID).

Deoxyspergualin is a derivative of the antitumor antibiotic spergualin that binds specifically to Hsc70, also inhibits poly(rC) binding protein 2 (PCBP2)..

Deoxycytidine triphosphate (dCTP), a nucleoside triphosphate, is a raw material in DNA synthesis. Deoxycytidine triphosphate has many applications, such as real-time PCR, cDNA synthesis, and DNA sequencing.

Denibulin (MN-029) is a novel vascular-disrupting agent that reversibly inhibits microtubule assembly, resulting in disruption of the cytoskeleton of tumor vascular endothelial cells.

Dencichin is a non-protein amino acid originally extracted from Panax notoginseng, and can inhibit HIF-prolyl hydroxylase-2 (PHD-2) activity.

Deltazinone 1 (Deltazinone1) is a novel highly selective PDEδ inhibitor that inhibits PDEδ/Ras interaction with Kd of 8±4 nM.

Deltasonamide 2 (Deltasonamide-2) is a novel small molecule inhibitor of PDE6δ/KRas interaction with Kd of 385 pM.

Deleobuvir (BI-207127, BI207127) is a potent, selective HCV NS5B polymerase inhibitor with IC50 of 50 nM against GT-1 HCV polymerase activity.

Delavirdine(U 90152) is a potent non-nucleoside reverse transcriptase inhibitor (NNRTI).

Delavirdine is a non-nucleoside reverse transcriptase inhibitor (NNRTI) that selectively inhibits HIV-1 reverse transcriptase over DNA polymerase α and δ in vitro (IC50s = 0.26, 440, and >550 μM, respectively).

Dehydronitrosonisoldipine is a calcium channel antagonist.

Dehydromutactin is a small molecule inhibitor of RNA-binding protein Hu protein R (HuR) that interferes the HuR homodimerization with Kd of 40 nM.

Dehydroepiandrosterone(DHEA) is a 19-carbon endogenous natural steroid hormone.

Debio 0617B has been developed as a first-in-class kinase inhibitor with a unique profile targeting phospho-STAT3 (pSTAT3) and/or pSTAT5 in tumors through combined inhibition of JAK, SRC, ABL, and class III/V receptor tyrosine kinases (RTK).