(3aR,5S,6S,6aR)-2,2-Dimethyl-5-[(S)-3-(3-nitro-phenyl)-4,5-dihydro-isoxazol-5-yl]-tetrahydro-furo[2,3-d][1,3]dioxol-6-ol

3-(3-Aminophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid

5-methyl-3-(3-nitrophenyl)-1,2-oxazole-4-carboxylic acid