芸香叶苷

水仙苷

4,6-O-(1-carboxyethylidene)-D-galactose

(S)-3,4-O-(1-羧基乙基亚基)-beta-D-吡喃半乳糖

3-O-[4,6-O-(1-carboxyethylidene)-β-D-galactopyranosyl]-D-glucose