1,3-二羟基-2-甲氧基蒽-9,10-二酮

2,2-dimethyl-1H-cyclobuta[b]naphthalene-3,8-dione

2a-chloro-1,1-dimethyl-1,2,2a,8a-tetrahydrocyclobuta[b]naphthalene-3,8-dione

2-甲基蒽醌

2-chloro-3-phenylnaphthalene-1,4-dione