(2R,3S)-1-benzyl-2-((R)-4-(benzyloxy)-1-((S)-4-isopropyl-2-oxooxazolidin-3-yl)-1-oxobutan-2-yl)-5-oxopyrrolidin-3-yl acetate

(S)-N-[3-phenyl-2-(E)-butenoyl]-4-isopropyl-1,3-oxazolidine-2-thione

(S)-N-[3-(4-bromo)phenyl-2-(E)-butenoyl]-4-isopropyl-1,3-oxazolidine-2-thione

(S)-N-[2-(E)-butenoyl]-4-isopropyl-1,3-oxazolidine-2-thione

(S)-N-[2-(E)-pentenoyl]-4-isopropyl-1,3-oxazolidine-2-thione