1,3-二氢-6-甲基-呋喃并[3,4-c]吡啶-7-醇

4-[1-(furan-2-yl)ethyl]morpholine

1,6-dioxacyclodeca-3,8-diyne

[2.2]-(2,3)-furanophane

5-(prop-2-ynoxymethyl)-1,3-dihydro-2-benzofuran