Chemical Name: (S)-2-(2-Hydroxymethyl-1-pyrrolidinyl)-4-(3-chloro-4-methoxybenzylamino)-5-[(2-pyrimidinylmethyl)carbamoyl]pyrimidine
Synonym: Pramipexole (7R)-Hydroxy Impurity ; rac-trans-7-Hydroxy Pramipexole ; (6S,7R)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)-7-benzothiazolol ;