ethyl 2-(phenanthren-4-yl)acetate

ethyl 2-(4-hydroxy-1,2,3,4-tetrahydrophenanthren-4-yl)acetate

5,6,7,8-四氢-gamma-氧萘-2-丁酸

2-ethyl-3',4'-dihydro-1'H-spiro[cyclopentane-1,2'-naphthalene]