4-(2,2,3,3,4,4,5,5-OCTAFLUORO-PENTYLCARBAMOYL)-BUTYRIC ACID

4-(2-BROMO-PHENYL)-2,6-DIPHENYL-PYRANYLIUM, TETRAFLUORO BORATE

4-(2-CARBAMOYLPHENYLIMINO)-2,3-DICHLORO-2-BUTENOIC ACID

4-(2-CHLORO-5-(TRIFLUOROMETHYL)PHENYL)-1-METHYL-1-PHENYLSEMICARBAZIDE

4-(2-CHLOROBENZOYL)-MORPHOLINE

4-(2-Chlorophenyl)-N-(4-fluorobenzyl)-1,3-thiazol-2-amine

4-(2,5-Dimethoxyphenyl)thiazol-2-amine

4-(2-ethylhexanoyl)morpholine

4-(2-FLUOROPHENYL)-1-(2-(3-METHOXYPHENYL)-2-OXOETHYL)PYRIMIDIN-1-IUM BROMIDE

4-(2,6-Dibromo-4-tert-butylphenoxy)butanoic acid

4-(2,6-DICHLOROPHENYLAZO)-N,N-DIETHYLANILINE

4-(2,6-dimethyl-1-piperidinyl)-1-phenyl-1-(3-pyridinyl)-1-butanol hydrochloride

4-(2,6-DIMETHYLPHENYL)-1-(2-METHOXYBENZOYL)SEMICARBAZIDE

4-(3-((4-NITRO-PHENYLAMINO)-METHYL)-BENZYLAMINO)-PHENOL

4-(3-(2-FLUOROPHENYL)UREIDO)BENZOIC (2-PYRIDYLMETHYLENE)HYDRAZIDE