Bisacodyl Related Compound C (20 mg) (4-[(4-Hydroxyphenyl)(pyridin-2-yl)methyl]phenyl acetate);Bisacodyl Related CoMpound C;4-[[4-(Acetyloxy)phenyl]-2-pyridinylmethyl]phenol;Bisacodyl EP Impurity C;[4-[(4-hydroxyphenyl)-pyridin-2-ylmethyl]phenyl] acetate;4-[(RS)-(4-Hydroxyphenyl)-(pyridin-;Phenol, 4-[[4-(acetyloxy)phenyl]-2-pyridinylmethyl]-;Bisacodyl Impurity 3 (Bisacodyl EP Impurity C)