Tacrolimus Impurity 5

Chemical Name: (S)-1-(2-((2R,3R,5S,6R)-6-((1S,3S,5E,7R,10S,11R,12S,13E)-7-allyl-10,12-dihydroxy-14-((1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl)-1-methoxy-3,5,11,13-tetramethyl-8-oxotetradeca-5,13-dien-1-yl)-2-hydroxy-5-methoxy-3-methyltetrahydro-2H-pyran-2-yl)-2-oxoacetyl)piperidine-2-carboxylic acid

Smile: O[C@H]1[C@H](OC)C[C@H](/C=C(C)/[C@@H](O)[C@H](C)[C@@H](O)CC([C@H](CC=C)/C=C(C[C@H](C)C[C@H](OC)[C@@]2([H])O[C@](C(C(N3[C@H](C(O)=O)CCCC3)=O)=O)(O)[C@H](C)C[C@@H]2OC)\C)=O)CC1