Periodic Table
Compounds derived from oxoacids RkE(=O)l(OH)m (l not equal to 0) by replacing -OH by -NRNR2 (R groups are commonly H), as in carbohydrazides, RC(=O)NHNH2, NOC Rule C-921.5, (GNOC Recom. R-5.7.8.4), sulfonohydrazides, RS(=O)2NHNH2, (NOC Rule C-641.9); and phosphonic dihydrazides, RP(=O)(NHNH2)2




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