2,2-Dimethyl-propionamidine hydrochloride2,2-Dimethylpropanimidamide hydrochloride2,2-Dimethylpropanamidine hydrochloridePivalamidine hydrochloride2,2-dimethylpropanimidamide hydrochloride2,2,2-Trimethylacetamidine hydrochloride2,2,2-甲基乙脒盐酸盐tert-Butylcarboxamidine hydrochloride