Prolyl Sirolimus; CJ 12797; Prolylrapamycin; (3S,6R,7E,9R,10R,12R,14S,15E,17E,19E,21S,23S,26R,27R,33aS)-9,10,12,13,14,21,22,23,24,25,26,27,31,32,33,33a-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-1H,3H-pyrrolo[2,1-c][1,4]oxaazacyclohentriacontine-1,5,11,28,29(4H,6H)-pentone; 21-NorSirolimus,Prolyl-rapamycin; (3S,6R,7E,9R,10R,12R,14S,15E,17E,19E,21S,23S,26R,27R,33aS)-9,10,12,13,14,21,22,23,24,25,26,27,31,32,33,33a-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-1H,3H-pyrrolo[2,1-c][1,4]oxaazacyclohentriacontine-1,5,11,28,29(4H,6H)-pentone,Rapamycin Impurity