Carbocysteine is a compound formed when the iodoacetic acid reacts with sulfhydryl groups in proteins. It has been used as an anti-infective nasal spray with mucolytic and expectorant action.

4-(9H-fluoren-9-ylmethoxycarbonylamino)-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester is a substituted piperidine derivative widely used in organic synthesis as a linker to form peptide and peptidomimetic molecules.

Thalidomide 5-fluoride is a chemical compound.