Crotonaldehyde(E)-but-2-enal2-Butenal, mixture of cis and trans巴豆醛,顺式和反式混合物巴豆醛,主要为反式Crotonaldehyde, mixture of cis and transCrotonaldehyde, predominantly trans2-丁烯醛,顺式和反式混合物β-MethacroleinCrotonaldehydecrotoinic aldehyde2-Butenal丁烯醛, 主要为反式(E)-crotonaldehydebeta-methylacroleintrans-2-butenal1-formylpropenetrans-crotonaldehydepropylene aldehydecrotonaldehyde(2E)-BUT-2-ENALcrotonic aldehyde2-Butenalcrotonalmethylpropenaltrans-2-butenaldehydecrotylaldehydealdehyde crotoniquetrans-but-2-enal