Biguanide, 1-ethyl-1-(2-thenyl)-, monohydrochloride Imidodicarbonimidic diamide, N-ethyl-N-(2-thienylmethyl)-, monohydrochloride N-Ethyl-N-(2-thienylmethyl)imidodicarbonimidic diamide monohydrochloride NJ7031840