3-溴-4-(二溴甲基)-5-羟基-2(5H)-呋喃酮

6-乙基-4-甲基-吡喃-2-酮

1,8-dihydroxy-2,3,5-trimethoxy-6-methylanthracene-9,10-dione

亚异丙基丙二酸二甲酯

2,3-dimethylbut-3-en-1-ol