8-氯-10H-吩噻嗪-2-醇

1-(2,4-二羟基苯基)-2-对甲苯乙酮

1,2,3,4-tetrahydrochromeno[3,4-c]pyridin-5-one

2,7-二氯-6-羟基-9-苯基-3H-氧杂蒽-3-酮

3-(2,4-dihydroxyphenyl)-6-hydroxy-3H-1-benzofuran-2-one