(-)-Rapamycin (3S,6R,7E,9R,10R,12R,14S,15E,17E,19E,21S,23S,26R,27R,34aS)-9,10,12,13,14,21,22,23,24,25,26,27,32,33,34,34a-Hexadecahydro-9,27-dihydroxy-3-((1R)-2-((1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl)-1-methylethyl)-10,21-dimethoxy-6,8,12,14,20,26-hexamethyl-23,27-epoxy-3H-pyrido(2,1-c)(1,4)oxaazacyclohentriacontine-1,5,11,28,29(4H,6H,31H)-pentone 23,27-Epoxy-3H-pyrido(2,1-c)(1,4)oxaazacyclohentriacontine-1,5,11,28,29(4H,6H,31H)-pentone, 9,10,12,13,14,21,22,23,24,25,26,27,32,33,34,34a-hexadecahydro-9,27-dihydroxy-3-(3-(4-hydroxy-3-methoxycyclohexyl)-1-methylethyl)-10,21-dimethoxy-6,8,12,14,20,26-hexamethyl-, (3S-(3R*(S*(1R*,3S*,4S*)),6S*,7E,9S*,10S*,12S*,14R*,15E,17E,19E,21R*,23R*,26S*,27S*,34aR*))- 53123-88-9 AY 22989 Antibiotic AY 22989 HSDB 7284 NSC 226080 Rapamune Rapamycin SILA 9268A Sirolimus Sirolimus [USAN:BAN:INN] WY-090217