curromycin B

30-Demethoxycurromycin A

3-Hydroxy-N-[6-hydroxy-9-(8-hydroxy-1,5,7-trimethyl-3,6-dioxo-2-oxa-5-azaspiro[3.4]octan-8-yl)-9-methoxy-7-methyl-2,4-nonadienyl]-2,2,4-trimethyl-10-(2-methyl-5-oxazolyl)-4,6,8-decatrienamide