2,3-DIPHENYLMALEIC ANHYDRIDE

2,3-NAPHTHALENEDICARBOXYLIC ACID DIMETHYL ESTER

2,3-NAPHTHALENEDICARBOXYLIC ACID DIMETHYL ESTER

2,4,4,6-TETRABROMO-2,5-CYCLOHEXADIENONE

2,4,4'-TRIMETHOXYBENZOPHENONE

2,4,5,7-TETRAMETHYLQUINOLINE

2',4',5'-Trifluoroacetophenone

2,4,5-Trifluorobenzaldehyde