画,单
,黑白照A kind of monosubstituted squaric amide ——mono carbamoyl amide of squaric acid 3(MCASAQ) was prepared by the condensation of squaric acid (SQ) with urea or its derivatives in water.
以水为介质,方酸与脲及其衍生物顺利发生脱水缩合,合成了一类方酸单
胺化合物——
类氮氧方酸3。
的，于mononucleosis）A kind of monosubstituted squaric amide ——mono carbamoyl amide of squaric acid 3(MCASAQ) was prepared by the condensation of squaric acid (SQ) with urea or its derivatives in water.
以水为介质,方酸与脲及其衍生物顺利发生脱水缩合,合成了一类方酸单胺化合物——类氮氧方酸3。
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