exo,exo-11,12-dioxatetracyclo[6.2.1.13,6.02,7]dodeca-4,9-diene 2,7-dicarboxylic acid anhydride

5-甲氧基-1-萘酚

六氢化-1,3,5-三(1-氧代-2-丙烯基)-1,3,5-三嗪

methyl furan-2-carbodithioate

3-(2-呋喃基)苯甲酸