Glycocholic Acid Impurity 12

((R) -4- ((3R,5R,7R,8R,9S,10S,12S,13R,14S,17R) -7,12-dihydroxy-10,13-dimethyl-3- ((((R) -4- ((3R,5S,7R,8R,9S,10S,12S,13R,14S,17R) -3,7,12-trihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl) pentanoyl) glycyl) oxy) hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl) pentanoyl) glycine