Triprolidine hydrochloride monohydrate6138-79-0100 % similar Triprolidine hydrochloride550-70-993 % similar Triprolidine486-12-486 % similar Acrivastine87848-99-549 % similar Tolperisone hydrochloride3644-61-938 % similar (±)-Tolperisone728-88-133 % similar 2-(4-Methylphenyl)pyridine4467-06-531 % similar