4-((R)-4-((S)-3-((diethylamino)methyl)morpholino)-4-oxo-1-(phenylthio)butan-2-ylamino)-3-(trifluoromethylsulfonyl)benzenesulfonamide

(S)-tert-butyl 3-(acetamidomethyl)morpholine-4-carboxylate

(S)-tert-butyl 3-((N-ethylacetamido)methyl)morpholine-4-carboxylate

(S)-N-ethyl-N-(morpholin-3-ylmethyl)ethanamine hydrochloride salt

(R)-methyl 3-amino-4-(phenylthio)butanoate, trifluoroacetic acid salt