N-α-{3-(2-chloroethyl)-3,4-dihydro-4-oxoimidazo[5,1-d]-1,2,3,5-tetrazin-8-carbonyl}-L-lysine methyl ester

2-formylamino-malonomonoimidic acid diamide

甲脒盐酸盐

2-氨基-2-氰基乙酰胺

硫酸