3,4,9,10-tetrahydro-2H-phenanthren-1-one

7-甲氧基-2-甲基-3,4-二氢-2H-菲-1-酮

1,2,3,4-四氢屈-1-酮

6-chloro-2-methyl-2,3-dihydrochromen-4-one

1,2,4-tris(trifluoromethyl)benzene