4-Iodobenzenesulfonyl chloride

4-ISOCYANATOBENZOYL CHLORIDE

4-N-BUTYLPHENYL ISOCYANATE

4-ISOPROPYLAMINO-3-NITROBENZOTRIFLUORIDE

4-ISOPROPYLPHENYLACETONITRILE

4-Isopropylbenzeneboronic acid

4-Methylphenyl isothiocyanate

4-Mercapto-3-pyridinesulfonamide

4-METHOXY-1,2,5-OXADIAZOL-3-YLAMINE