The molecule is a tetracycline-like polyketide antibiotic that is produced by several species of Penicillium and Aspergillus. It has a role as an antimicrobial agent, a fungal metabolite, an EC 2.5.1.31 {ditrans,polycis-undecaprenyl-diphosphate synthase [(2E,6E)-farnesyl-diphosphate specific]} inhibitor and an antineoplastic agent. It is an organic polycyclic compound, a polyketide, an enone, an enamide, an enol, a spiro compound, an aromatic ether, a polyphenol, an aromatic ketone, a cyclic ketone, a tertiary alcohol, a secondary alcohol, a tertiary alpha-hydroxy ketone and a primary carboxamide.
(3'S,4'S,6S,9'S)-3',4',8',9',12',14'-hexahydroxy-16'-methoxy-1,5,5-trimethyl-6',10'-dioxospiro[cyclohexene-6,18'-pentacyclo[11.6.1.02,11.04,9.017,20]icosa-1(20),2(11),7,12,14,16-hexaene]-7'-carboxamide