英文别名(5R,7S,8R,9S,11S,13E,15R,18S,19R,20S,23S)-3,3,8,18-tetrahydroxy-20-[(E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-7,9-dimethoxy-5,11,13,19-tetramethyl-15-prop-2-enyl-21-oxa-1-azabicyclo[21.4.0]heptacos-13-ene-2,4,16,22-tetrone; Oxacyclohexane open ring tacrolimus; Tacrolimus related compound,tacrolimus open ring-[USP]; Tacrolimus Impurity 8; Tacrolimus Impurity 54; Tacrolimus Open Ring Impurity; impurity F of tacrolimus; Tacrolimus Impurity 43; Tacrolimus Impurity 9 (Tacrolimus Open Ring (USP)) 
