(6S,7S,7aS)-7-[2-(4,4-Dimethyl-2-oxo-oxazolidin-3-yl)-2-oxo-ethyl]-6-isopropenyl-tetrahydro-pyrrolo[1,2-c]oxazol-3-one

(R)-3-(buta-2,3-dienyl)-2-oxooxazolidine-4-carbaldehyde

(S)-4-(hydroxymethyl)-3-(prop-2-ynyl)oxazolidin-2-one

(S)-3-(buta-2,3-dienyl)-4-(hydroxymethyl)oxazolidin-2-one

methyl (R)-2-oxo-3-(prop-2-yn-1-yl)oxazolidine-4-carboxylate