Glycocholic Acid Impurity 17

(2R,3R,4R,5R) -2,3,5,6-tetrahydroxy-N- (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) -N- (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) pentanamido) propyl) pentanamido) propyl) -4- (((2S,3R,4S,5R,6R) -3,4,5-trihydroxy-6- (hydroxymethyl) tetrahydro-2H-pyran-2-yl) oxy) hexanamide