Synonyms: Sodium Picosulfate Imp. A (EP), Sodium Picosulfate USP Related Compound A, Sodium Picosulfate USP RC A, 4-[(RS)-(4-Hydroxyphenyl)(pyridin-2-yl)methyl]phenyl Sodium Sulphate, 4-[(Pyridin-2-yl)(4-hydroxyphenyl)methyl]phenyl Sodium Sulphate, Picosulfate Related Compound A as Sodium Salt, Sodium Picosulfate Impurity A, Sodium Picosulfate Impurity A as Sodium Salt