4-(2-METHYL-4-NITRO-1H-IMIDAZOL-1-YL)BUTAN-2-ONE

4-(2-PHENYLETH-1-YNYL)THIOPHENE-2-CARBALDEHYDE

4-Pyridineethanesulfonic acid

4-(2-TETRAHYDRO-1H-PYRROL-1-YLETHYL)PYRIDINE

4-(3,4-Dichlorophenyl)-1-tetralone

4-(3-CHLORO-2-CYANOPHENOXY)BENZENE-1-SULFONYL CHLORIDE

3-CHLOROBENZYLIDENEACETONE

4-(4-AMINOBENZYL)-1LAMBDA6,4-THIAZINANE-1,1-DIONE

4-(4'-BROMOPHENYL)-4-HYDROXYPIPERIDINE

4-(4-BROMO-2-CHLOROANILINO)-4-OXOBUT-2-ENOIC ACID

4-(4-BROMO-2-CHLOROANILINO)-4-OXOBUT-2-ENOIC ACID