13529-17-4
5-甲醛基呋喃-2-羧酸
→
~90%
212197-74-5
5-氰基-呋喃-2-甲酸
19158-51-1
4-甲苯磺酰氰
54376-30-6
5-(hydroxyimino-methyl)-furan-2-carboxylic acid