2-乙酰基-5-硝基呋喃

5-硝基-2-糠酸

2,3,5-三-O-乙酰基-6-氯嘌呤-9-β-D-呋喃核糖苷

4,5,6,7-四氟-1H-吲哚-3-甲醛

1-acetyl-3-(acetoxymethyl)-4,5,6,7-tetrafluoroindole