methyl N-[(2S,16S,17S,18R,19S,20S,21S,22R,23S)-21-(acetyloxy)-5,17,19-trihydroxy-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)\nnaphtho[2,1-b]furan-8-yl]-beta-alaninate | | 956157-96-3 | C41H52N2O14 |