4,5-diphenyl-3,6-dihydrodithiine

(4aS,7aS,11aR,14aR)-(2,3,4,4a,6,7,7a,9,10,11,11a,13,14,14a)tetradecahydropyrano[3,2-b]pyrano[2',3':6,7]oxepino[2,3-f]oxepin

3,4-diphenylthiophene

蒽

大茴香醛