(S)-2-amino-1-((3aR,6S,7aS)-8,8-dimethyl-2,2-dioxidotetrahydro-3H-3a,6-methanobenzo[c]isothiazol-1(4H)-yl)propan-1-one

((R)-1-phenylpropyl)-L-alanine

((R)-1-(naphthalen-1-yl)ethyl)-L-alanine

((R)-1-phenylethyl)-L-alanine