反式-4-羟基-D-脯氨酸甲酯盐酸盐;(S)-4-羟基-D-脯氨酸甲酯盐酸盐;(2S,4R)-甲基 4-羟基吡咯烷-2-羧酸盐酸盐;
Hydroxymethyl-propyl-keton;1-Hydroxy-2-pentanone;2-Pentanone,1-hydroxy;l-hydroxy-2-oxopentane;L-hydroxyproline methyl ester hydrochloride;
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