108695-24-5
(2E,4E,6E)-ethyl 7-(4,4-dimethylchroman-6-yl)-3-methylocta-2,4,6-trienoate
→
~46%
108695-25-6
2-庚酮,7-溴-1-苯基-
88579-19-5
4,4-二甲基-6-乙酰基苯并二氢吡喃
62054-49-3
3-甲酰基-2-丁烯酸乙酯