133628-32-7 L-Lysine, N(sup 2)-((5-methyl-4-nitro-2-thienyl)carbonyl)-, methyl ester, monohydrochloride N(sub alpha)-((2-Methyl-3-nitrothiophene-5-yl)carbonyl)lysine methyl ester hydrochloride N(sup 2)-((5-Methyl-4-nitro-2-thienyl)carbonyl)-L-lysine methyl ester monohydrochloride