(4aS,10R)-10-(phenylsulfonyl)-1,3,4,9,9a,10-hexahydroanthracene-4a,9(2H)-diol

(4aS,9aS,10S)-10-(phenylsulfonyl)-1,2,3,4,4a,9,9a,10-octahydroanthracen-4a-ol

1,2,3,4-四氢萘

蒽

对称八氢蒽