105049-16-9 | Spiro[10,12:19,22a-dimethano-4H,5H,22aH-oxireno[8,9][1,6,12]trioxacyclooctadecino[3,4-d][1]benzopyran-11(10H),2'-oxirane]-2,14(1aH,17H)-dione,19-acetyl-6,8a,11a,12,18,19,21,22-octahydro-23-hydroxy-7,11a-dimethyl-,(1aS,4aR,8aR,10R,11S,11aS,12R,15Z,19S,22aR,23R)- (9CI) | C29H36 O10 |