3-乙酰基-2,4-二甲基-5-乙氧羰基吡咯

3-氧代-5-苯基-戊酸乙酯

2,3-丁二烯-1-醇

1,2,3,4-tetrahydrodibenzofuran

ethyl 9a-hydroxy-11-methylene-5a,6,7,8,9,9a,10,11-octahydrodibenzo[b,f]oxepine-10-carboxylate