(3S,4R,5S)-3-(dibenzylamino)-4,5-dimethyldihydrofuran-2(3H)-one
(3S,4R,5S)-3-amino-4,5-dimethyldihydrofuran-2(3H)-one
(2S,3R,4S)-4-hydroxyisoleucine
(2S,3R,4R)-2-amino-4-hydroxy-3-methyl-pentanoic acid
(3S,4R,5R)-3-Amino-4,5-dimethyl-dihydro-furan-2-one