3-溴-4-羟基-2H-1-苯并吡喃-2-酮

2-hydroxy-2-(2-hydroxyphenyl)-1H-indene-1,3(2H)-dione

2,2-bis(4-hydroxyphenyl)indene-1,3-dione

O-phenyl N-(4-nitrophenyl)carbamothioate

4-[(4-iodophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one