4-(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-HEPTADECAFLUORO-OCTYL)-1H-IMIDAZOLE

4-(1H-BENZIMIDAZOL-1-YL)-2-METHYL-6,7-DIHYDRO-5H-CYCLOPENTA[4,5]THIENO[2,3-D]PYRIMIDINE

4-(1H-Pyrazol-4-yl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine

4-(2-(((4-METHYLBENZOYL)AMINO)ACETYL)CARBOHYDRAZONOYL)PHENYL 1-NAPHTHOATE

4-(2-((4-(2-CL-BENZYL)-1-PIPERAZINYL)AC)CARBOHYDRAZONOYL)-2,6-DI-MEO-PH ACETATE

4-(2-((Methylamino)methyl)phenoxy)benzenesulfonamide hydrochloride

4-(2-(2-NAPHTHYLOXY)PROPYL)MORPHOLINE HYDROCHLORIDE

4-(2-(4-CHLORO-PHENOXY)-ACETYLAMINO)-BENZOIC ACID ISOBUTYL ESTER

4-(2-(4-OXO-3,4-2H-QUINAZOLIN-2-YLSULFANYL)-ACETYLAMINO)-BENZOIC ACID ET ESTER

4-(2-(PHENYLSULFONYL)CARBOHYDRAZONOYL)PHENYL 3,4-DIMETHOXYBENZOATE

4-(2-BR-PH)-8-CL-2-PHENYL-1,9B-DIHYDRO-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

4-(2-Formylphenoxy)benzaldehyde

4-(2-甲酰基苯氧基)苯甲醛

4-(2-HYDROXY-3-METHOXYBENZYLIDENEAMINO)ANTIPYRINE

4-(2-HYDROXYETHYL)-3-METHYL-2-PYRAZOLIN-5-ONE

4-(2-METHOXY-5-METHYLPHENYL)-1-(2-PHENYLACETYL)SEMICARBAZIDE