Tacrolimus Impurity IX

Chemical Name: (14E, 18E)-17-allyl-1-hydroxy-12-[(E)-2-(4-hydroxy-3-methoxycyclohexy)-1-methylvinyl]-23, 25-dimethoxy-13, 19, 21, 27-tetramethyl-11, 28-dioxa-4-azatricyclo[22.3.1.0]octacos-14, 18-diene-2, 3, 10, 16-tetrone

Smile: OC1C(OC)CC(/C=C(C(C(/C=C/C(C(/C=C(CC(C2)C)\C)CC=C)=O)C)OC(C3CCCCN3C(C(C4(O)C(C)CC(OC)C(C2OC)O4)=O)=O)=O)\C)CC1