(3R,4S,5R,1'S)-4-acetoxy-5-(1'-acetoxy-2'-methylpropyl)-3-methyl-5-(triethylsilyloxymethyl)pyrrolidin-2-one

(3R,4S,5R,1'S)-4-hydroxy-5-(hydroxymethyl)-5-(1'-hydroxy-2'-methylpropyl)-3-methylpyrrolidin-2-one

(3R,4S,5R,6S)-1-氮杂-4-羟基-5-羟基甲基-6-异丙基-3-甲基-7-氧杂双环[3.3.0]辛烷-2-酮

methyl (2E)-4-methylpent-2-enoate

(2R,3S)-2,3-dihydroxy-4-methylpentanoic acid methyl ester