1-hydroxy-6,8-dimethoxy-3-methylanthracene-9,10-dione

(2,5-dihydroxyphenyl) pyrrolidine-1-carbodithioate

3-phenyl-1,2,5-trioxaspiro[5.5]undeca-7,10-dien-9-one

4'-Phenylspiro(cyclohexa-2,5-diene-1,2'-oxetan)-4-one

3-phenyl-2,3-dihydrobenzofuran-5-ol