Pramipexole dihydrochloride monohydrate191217-81-9100 % similar Pramipexole dihydrochloride104632-25-993 % similar Pramipexole104632-26-086 % similar Dexpramipexole104632-28-286 % similar 4,5,6,7-Tetrahydro-2,6-benzothiazolediamine104617-49-445 % similar (S)-2,6-Diamino-4,5,6,7-tetrahydrobenzothiazole106092-09-545 % similar Pramipexole propionamide106006-84-241 % similar 4,5,6,7-Tetrahydro-2-benzothiazolamine2933-29-139 % similar Domin36085-73-134 % similar