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Addition Cyclization. III. Preparation of Dimethyl 3Vinylpyrazolinedicarboxylate from Addition-Cyclization of Vinyldiazomethane with Dimethyl Maleate and Formation of 3-Vinylpyrazoline-5-carboxylic Acid on Decarboxylating Hydrolysis of the Dimethyl Ester
1964
Nippon kagaku zassi
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