1 L71 (3s)-3-[3-(aminomethyl)phenyl]-1-ethylpyrrolidine-2,5-dione 1.000 2 L7S 3-[(3r)-1-ethyl-2,5-dioxopyrrolidin-3-yl]benzamide 0.944 3 RLG (4r)-1-methyl-4-phenylpyrrolidin-2-one 0.765