早熟素Ⅰ

3,3-二甲基-2,3-二氢-1H-茚-1-酮

3,3-二甲基丙烯酸三甲基硅酯

2,2-dimethyl-3,10-dihydropyrano[2,3-b]carbazol-4-one

3,3-dimethyl-2,3-dihydropyrano[3,2-a]carbazol-1(11H)-one