分子式:C21H18O9
1H NMR : Predict
13C NMR : Predict
3-(甲氧羰基)-2H-环庚[b]呋喃-2-酮 dimethyl 7-oxabicyclo[2.2.1]hepta-2(3),5(6)-diene-2,3-dicarboxylate
3,4-呋喃二羧酸二甲酯