99359-46-3
[1-(3-bromophenyl)propylideneamino]urea
99847-76-4
[1-(3-bromophenyl)ethylideneamino]urea
999-47-3
semicarbazono-acetic acid ethyl ester
999-68-8
(Z)-methyl 2-(2-carbamoylhydrazono)acetate
4344-72-3
3,4-Dimethyl-1H-pyrazol-5-ol

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