Pramipexole Impurity 22 2,6-BenzothiazolediaMine, 4,5, 6,7-tetrahydro-N6,N6-dipropyl- Pramipexole Pramipexole Dimer Impurity (Mixture of Diastereomers) (R)-N, N'-(4, 5 ,6, 7-Tetrahydrobenzo[d]thiazole-2, 6-diyl)dipropioaMide Pramipexole impurity 7 (S)-PraMipexole-d5 Dihydrochloride Pramipexole Impurity 2 Pramipexole Impurity 18 2-Benzothiazolamine Pramipexole Impurity 15 Pramipexole Impurity 27 Pramipexole Impurity 24 Pramipexole Impurity 3 Pramipexole Impurity 21 Pramipexole Impurity 6 Pramipexole Impurity 30 2-AMino-6-broMo-5,6-dihydro-7(4H)-benzothiazolone