35482-69-0
ethyl 3-methyl-6-oxohexa-2,4-dienoate
→
~91%
88714-53-8
ethyl 6-hydroxy-3-methylhexa-2,4-dienoate
62054-49-3
3-甲酰基-2-丁烯酸乙酯
65527-84-6
(E)-4,4-Dimethoxy-3-methyl-crotonsaeureaethylester