The molecule is a polyketide antibiotic that is isolated from Actinosynnema pretiosum and also exhibits antitumour activity. It has a role as an antimicrobial agent, a metabolite and an antineoplastic agent. It is a polyketide, a macrocycle, a lactam, an epoxide, a carboxylic ester, a carbamate ester, an aromatic ether and a member of monochlorobenzenes.
[(1S,2R,3S,5S,6S,16E,18E,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] 2-methylpropanoate