Hispidulin 4'-O-β-D-glucopyranosid, a natural compound, may serve as a potential COVID-19 main protease inhibitor.

Chrysophanol tetraglucoside possesses anti-hypolipidemic and antibacterial activities.

Tellimagrandin II (Eugeniin), the first intermediate in the 4C1-glucose derived series of ellagitannins, also inhibits antibiotic resistance of drug-resistant Staphylococcus aureus.

Antofloxacin hydrochloride is a well tolerate, orally active and broad-spectrum 8-amino-fluoroquinolone with potent antibacterial activities. Antofloxacin hydrochloride shows superior antibacterial activity against gyrA mutation-positive H. pylori strains, especially in Asn87- mutated strains, compared to levofloxacin. Antofloxacin hydrochloride is a weak, reversible inhibitor of CYP1A2 for the treatment of infections caused by a diverse group of bacterial species.

Ceftaroline fosamil (TAK-599) inner salt, a cephalosporin derivative, is an N-phosphono prodrug of anti-methicillin-resistant Staphylococcus aureus (MRSA) T-91825. Ceftaroline fosamil inner salt can be used for the research of MRSA infection.

Benurestat is an orally active urease inhibitor. Benurestat can be used for infected ureolysis research.

Pangelin is a coumarin that can be found in Ducrosia anethifolia. Pangelin exhibits anti-mycobacterial and anti-tumor activities.

Sanguisorbigenin is a natural antibacterial agent that inhibits methicillin-resistant S. aureus (MRSA).

Cassiaside B, a naphthopyrone, has potent antimicrobial activity.

Clemastanin B, a lignin, has potent anti-influenza activities by inhibiting the virus multiplication, prophylaxsis and blocking the virus attachment. Clemastanin B targets viral endocytosis, uncoating or ribonucleoprotein (RNP) export from the nucleus. Clemastanin B has antioxidant and anti-inflammatory activities.

S-6123 is a potent antimicrobial compound of the oxazolidinone series. S-6123 inhibits ribosomal protein synthesis without inhibiting DNA or RNA synthesis.

Tigloylgomisin P, a lignin, has anti-HIV activity with an EC50 of 37 μM. Tigloylgomisin P has anticancer effect.

Protoneogracillin, a furostanol glycoside, shows anti-fungal activity against the plant pathogenic fungus P.oryzae (MMDC=94.0 μM) and cytotoxic activity on K562 cancer cells (IC50=6.6 μM).

Niazinin is a thiocarbamate glycoside with antileishmanial activities, with an IC50 value of 5.25 μM. Niazinin also shows a binding affinity with the target protein 3CL protease. Niazinin has promising leishmanicidal, anti-inflammatory and anti-pyretic activity.

Matairesinoside is a lignan with antibacterial and antioxidant activities. Matairesinoside also shows virus-cell fusion inhibitory activity.

LPRP-Et-97543 is a potent anti-HBV agent. LPRP-Et-97543 reduces Core, S, and preS but not X promoter activities. LPRP-Et-97543 can be used for acute and chronic HBV infections research.

Isobellidifolin, a xanthone, is a free radical scavenger and antioxidant compound. Isobellidifolin has potent antifungal effect.

Fumagillol is a direct precursor of fumagillin. Fumagillin, as an antimicrobial agent, is a potent and selective inhibitor of angiogenesis.

Emodinanthrone, an anthraquinone, is a sprecursor of Emodin with antibiotic activity. Emodinanthrone inhibits respiration-driven solute transport at micromolar concentrations in membrane vesicles of Escherichia coli.

Dehydrojuncusol, a potent HCV inhibitor, targets HCV NS5A and is able to inhibit RNA replication of replicons harboring resistance mutations to anti-NS5A direct-acting antivirals. Dehydrojuncusol significantly inhibits HCV infection when added after virus inoculation of HCV genotype 2a (EC50=1.35 µM).

(±)9-HpODE is a long chain lipid hydroperoxide, is a product of linoleic acid peroxidation. (±)9-HpODE can induce oxidation of intracellular glutathione (GSH). (±)9-HpODE also exhibits antimicrobial activity against various fungal and bacterial pathogens.

Ga(III)protoporphyrin-IX is a model for the key interporphyrin interactions in malaria pigment. Ga(III)protoporphyrin-IX acts as a potent antibacterial against gram-negative, gram-positive, and acid-fast bacteria. Ga(III)protoporphyrin-IX is readily soluble in methanol (MeOH). Ga(III)protoporphyrin IX are as malarial pigment analogues for drug development and as potential antibacterial agents.

Polygodial (Poligodial) is an antifungal potentiator. Polygodial is a sesquiterpene with anti-hyperalgesic properties.

Pendulone is a isoflavanquinone with good antiplasmodial activity with an IC50 of 7.0 µM. Pendulone also has antileishmanial, antibacterial and anticancer activity.

Oenothein B is a dimeric macrocyclic ellagitannin and has widely pharmacological activities, including antioxidant, anti-inflammatory, antifungal, anti-HCV, and antitumor properties. Oenothein B is a potent and specific inhibitor of poly(ADP-ribose) glycohydrolase.

T-91825 (PPI-0903M), an N-phosphono-type cephalosporin, is the active form of TAK-599. T-91825 is active against both gram-positive and gram-negative bacteria.

Mahanine is a carbazole alkaloid with various biological properties. Mahanine is a potent anticancer agent against different types of cancer cells. Mahanine exhibits antileishmanial activity and can be used for Leishmania infection treatment research.

Grepafloxacin (OPC-17116) is an oral actively fluoroquinolone antibiotic with potent activity against community-acquired respiratory pathogens including Streptococcus pneumonia. Grepafloxacin has high tissue penetration and a promising pharmacodynamic profile.

Amitivir (LY 217896), a thiadiazole derivative, possesses broad antiviral activity against orthomyxo- and paramyxoviruses. Amitivir is effective against influenza A and B viruses.

Neamine tetrahydrochloride, a degradation product of Neomycin, is a broad-spectrum aminoglycoside antibiotic. Neamine tetrahydrochloride is an anti-angiogenesis agent targeting angiogenin. Neamine tetrahydrochloride has potent antibacterial, antitumor and neuroprotective activities.