果糖二丙酮

1,2-dideoxy-4,5:6,7-di-O-isopropylidene-β-D-arabinoglycero-4-octulopyranose

甲基乙基砜

(1R,3S,5S)-1-Hydroxymethyl-8-methyl-8-aza-bicyclo[3.2.1]octan-3-ol

丁酮