3-羟基-2-氧代丙酸

(2R:4S:6R:8R)-1,9-dihydroxy-4-hydroxymethyl-3,5,7-trioxa-nonane-2,4,6,8-tetracarboxylic acid

pentane-1,1,5,5-tetracarboxylic acid

L-异亮氨酸

periodate