Manidipine Impurity Vll

Chemical Name: 2-(4-benzhydrylpiperazin-1-yl)ethyl 3-oxobutanoate

Synonym: (4S,4aS,5aR,12aS)-4-(dimethylamino)-7-fluoro-3,10,12,12a-tetrahydroxy-1,11-dioxo-9-(2-(pyrrolidin-1-yl)acetamido)-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide