Tacrolimus Impurity XII

Synonym: Trihexyphenidyl USP Related Compound A

Smile: O[C@H]1[C@H](OC)C[C@H](/C=C([C@H]([C@H](C)[C@@H](O)CC([C@@H](CC=C)/C=C(C[C@@H](C)C[C@@H](OC)[C@@H]2O[C@](C3O4)(O)[C@H](C)C[C@@H]2OC)/C)=O)OC([C@H]5CCCC4N5C3=O)=O)\C)CC1