2-iodomethyl-2,3-dihydro-4H-furo[3,2-c]chromen-4-one

4-<2'-chloro-2'-propenyloxy><1>benzopyran-2-one

3-<2'-chloroprop-2'-enyl>-4-hydroxy<1>benzopyran-2-one

4-prop-2-ynoxychromen-2-one

乙酸异丙烯酯