9,10-dihydrophenanthrene-9-carboxylic acid

N-methyl-N-(9,10-dihydrophenanthren-9-yl)aniline

1,2,3,4-四氢蒽

1,2,3,4,5,6,7,8-octahydrophenanthrene-9-carboxylic acid

4a-methyl-3,4,9,10-tetrahydrophenanthren-2-one