Topopyrone B

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It is produced by the strain of Phoma sp. BAUA 2861 and Penicillum sp. BAUA 4206. Topopyrone B selectively inhibits topoisomerase I with the IC50 of 0.15 ng/mL. It also has anti-Gram-positive bacteria activity and it has a strong inhibitory effect on herpes virus, especially varicella zoster virus (VZV).

Supplier	BOC Sciences
Product #	BBF-02701
Pricing	Inquire
Molecular Weight	372.71
Molecular Formula	C18H9ClO7
Canonical SMILES	CC1=CC(=O)C2=C(O1)C=C3C(=C2O)C(=O)C4=C(C(=C(C=C4C3=O)O)Cl)O

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