2,5-Diketopiperazine106-57-035 % similar 2-(4-(Trifluoromethoxy)phenoxy)acetic acid hydrazide175204-36-133 % similar Cyclohexanecarbohydrazide38941-47-833 % similar Ethyl carbazate4114-31-233 % similar Carbohydrazide497-18-733 % similar 3-Indolylacetic acid hydrazide5448-47-533 % similar N-(1,4,5,6-Tetrahydro-4,6-dioxo-2-pyrimidinyl)cyanamide55067-10-232 % similar 3-Methyl-2-pyrazolin-5-one108-26-932 % similar Isobutyrohydrazide3619-17-832 % similar 2,2-Dimethylpropanoic acid hydrazide42826-42-632 % similar Methyl carbazate6294-89-932 % similar 2-Azetidinone930-21-232 % similar 3-Morpholinone109-11-531 % similar