54542-32-4
ethyl 5-methylhexa-2,4-dienoate
39579-63-0
ethyl 2-ethenylidenepentanoate
3943-96-2
ethyl (E)-3-(3-hydroxyphenyl)prop-2-enoate
400037-31-2
(2E)-3-咪唑并1,2-a吡啶-3-基-2-丙酸乙酯
40931-15-5
2,5-二羟基肉桂酸乙酯

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