104987-16-8

Δ23-FK-506 Δ23-FK-506 delta23-FK 506 TacroliMus Diene 23,24-Anhydro tacrolimus Tacrolimus EP Impurity I Tacrolimus Diene Impurity Tacrolimus Diene Impurity (USP) Tacrolimus 5,6-Anhydro Impurity Tacrolimus EP Impurity I (Tacrolimus Diene) Tacrolimus Impurity 4（Tacrolimus EP Impurity I ）（Tacrolimus Diene） (3S,4R,8R,12S,14S,15R,16S,18R,19R,26aS)-8,11,12,13,14,15,16,17,18,19,24,25,26,26a-tetradecahydro-19-hydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propen-1-yl)-15,19-epoxy(5E,9E)- 15,19-Epoxy(5E,9E)-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, 8,11,12,13,14,15,16,17,18,19,24,25,26,26a-tetradecahydro-19-hydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propen-1-yl)-, (3S,4R,8R,12S,1... (3S,4R,8R,12S,14S,15R,16S,18R,19R,26aS)-8,11,12,13,14,15,16,17,18,19,24,25,26,26a-Tetradecahydro-19-hydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propen-1-yl)-15,19-epoxy(5E,9E)-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone