1-PHENYLPIPERAZINE DIHYDROCHLORIDE

1-PROPYL-2(1H)-PYRIDINONE

1-PYRENESULFONIC ACID

1-PYRROLIDINECARBONYL CHLORIDE

(1R,2R)-(+)-1,2-Diphenylethylenediamine

(1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine

1-TERT-BUTYL-2-IMIDAZOLIDINONE