ETHYL HYDRAZINE OXALATE
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Preparation Products | 1H-Pyrazol-5-ol, 1-ethyl-3-(2-pyridinyl)--->1-Ethyl-5-nitro-1H-indazol-3-amine-->1-ethyl-1H-pyrazol-5-ol-->4-chloro-1-ethyl-6-(Methylthio)-1H-pyrazolo[3,4-d]pyriMidine-->1-(1-Ethyl-4-hydroxy-5-methyl-1H-pyrazol-3-yl)ethanone |