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单词 semicarbazide
释义 semi·carbazide
\“+\ noun
Etymology: International Scientific Vocabulary semi- + carbazide
: a crystalline compound NH2CONHNH2 that is made from hydrazine by reaction with either urea or cyanic acid or from the nitro derivative of urea by reduction and that is used chiefly as a reagent for aldehydes and ketones by the formation of semicarbazones; the hydrazide of carbamic acid
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更新时间:2025/3/12 22:18:07