4-(2-PYRIDYLAZO)-N,N-DIMETHYLANILINE

4-(2-THIAZOLYLAZO)RESORCINOL

3-THIOPHEN-2-YL-BENZALDEHYDE

4-(2-THIENYLMETHYL)-1LAMBDA6,4-THIAZINANE-1,1-DIONE

4-(3-HYDROXY-3-METHYLBUT-1-YNYL)BENZALDEHYDE OXIME

4-(3-METHOXYANILINO)-4-OXOBUT-2-ENOIC ACID

4-(3-NITROANILINO)-4-OXOBUT-2-ENOIC ACID

4-(3-Phenylpropyl)pyridine

4-(3-THIENYL)BENZOIC ACID

4-(3-Trifuoromethyl)phenyl-4-piperidinol

4-(4,5-DICHLORO-1H-IMIDAZOL-1-YL)ANILINE