t-butyl benzylsulfone

(1S,2S)-2-(dimethylamino)-1-phenylpropyl 3-[(4-fluorobenzoyl)amino]-6,6-dimethyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate

(R)-2-Benzylamino-propionic acid (1S,2S)-2-dimethylamino-1-phenyl-propyl ester