Tacrolimus EP Impurity H

Chemical Name: (1E,3S,4R,5S,8R,9E,12S,14S)-5-hydroxy-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-14-methoxy-14-[(2R,3S,5R)-3-methoxy-5-methyl-6-oxooxan-2-yl]-2,4,10,12-tetramethyl-7-oxo-8-(prop-2-en-1-yl)tetradeca-1,9-dien-3-yl (2S)-1-formylpiperidine-2- carboxylate (as per EP)

Smile: O=C([C@H]1N(C=O)CCCC1)O[C@@H]([C@H](C)[C@@H](O)CC([C@H](CC=C)/C=C(C)/C[C@H](C)C[C@H](OC)[C@H]([C@@H](OC)C[C@H]2C)OC2=O)=O)/C(C)=C/[C@H]3C[C@@H](OC)[C@H](O)CC3