139097-50-0 2-butenoic acid, 4-isocyanato-4-oxo-, ethyl ester, (e)-

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Product Name	2-Butenoic acid, 4-isocyanato-4-oxo-, ethyl ester, (E)-
CAS No.	139097-50-0
Molecular Formula	C₇H₇NO₄

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