(2S,16S,17S,18R,19S,20S,21S,22R,23S)-21-(acetyloxy)-17,19-dihydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,6,9,11-tetraoxo-1,2,6,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b\n]furan-5-yl 2,2-dimethylpropanoate | | 956958-27-3 | C42H53NO13 |