Synonyms: | Tacrolimus Open Ring Impurity;Tacrolimus Impurity 9(Tacrolimus Open Ring Impurity);3H-Pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,19,21(4H,8H,12H,23H)-tetrone, 5,6,11,13,14,15,16,17,18,20,24,25,26,26a-tetradecahydro-5,15,20,20-tetrahydroxy-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,5S,8R,9E...;Oxacyclohexane open ring tacrolimus;impurity F of tacrolimus |