4-BUTYL-2-METHYLPHENYL ISOCYANATE

4-N-BUTYLBENZENESULFONYL CHLORIDE

4-(cyclohexylamino)piperidine-4-carboxamide

4-(cyclohexylamino)piperidine-4-carboxamide

(4-Carboxybutyl)triphenylphosphonium bromide

4-CARBOXYPHENYLACETIC ACID

N-BENZYL-4-CHLORO-PIPERIDINE

4-Chloro-1,2-diaminobenzene

4-CHLORO-1,3-DIMETHYLPYRAZOLO[3,4-B]PYRIDINE-5-CARBONYL CHLORIDE

4-CHLORO-1-METHYL-1H-PYRAZOLE-3-CARBALDEHYDE