2-[羟基-(4-硝基-苯基)-甲基]-丙烯酸甲酯

methyl 7-oxabicyclo[2.2.1]hept-2-ene-5-carboxylate

rel-methyl (1R,2S,4R)-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylate

甲基(1S,2S,4S)-7-氧杂双环[2.2.1]庚-5-烯-2-羧酸酯