甲基-2-脱氧-L-赤式戊呋喃糖

methyl 2-deoxy-L-erythro-pentopyranose

6-甲氧基-4-喹啉甲醛

5-vinyl-1-aza-bicyclo[2.2.2]octane-2-carboxylic acid

2-(dimethoxymethyl)-5-vinylquinuclidine