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Guanidine,N-[3-(2,5-dioxo-4-oxazolidinyl)propyl]-;
Guanidine,[3-(2,5-dioxo-4-oxazolidinyl)propyl]- (8CI,9CI);
Arginine, N2-carboxy-, cyclicanhydride

Hexanamide,6-(cyanonitrosoamino)-2-hydroxy-

1H-Pyrazole-4-carboxylicacid, 3-hydrazinyl-5-(1-methylethoxy)-;
1H-Pyrazole-4-carboxylicacid, 3-hydrazino-5-(1-methylethoxy)- (9CI)

Urea,N-(1,3-dimethyl-2,5-dioxo-4-imidazolidinyl)-N'-methyl-;
1,3,8-trimethylallantoin

1H-Imidazole-1-acetamide,2-(hydroxyamino)-N-(2-hydroxyethyl)-;
1-(N-(2-hydroxyethyl)acetamido)-2-hydroxylaminoimidazole

1H-Pyrazole-4-carboxylicacid, 3-hydrazinyl-5-methoxy-, ethyl ester;
1H-Pyrazole-4-carboxylicacid, 3-hydrazino-5-methoxy-, ethyl ester (9CI)

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