5-O-ethyl 1-O-methyl pentanedioate

9-O-ethyl 1-O-methyl nonanedioate

methyl 2-[(2-benzamidoacetyl)amino]acetate

甲基-6-氨基-6-脱氧-alpha-d-吡喃葡萄糖苷

喹啉-7-羧酸甲酯