diethyl (2'-methylprop-2'-en-1'-yl)(prop-2''-en-1''-yl)propanedioate

3(3-丙烯基)-5-己腈

3,8-bis(bromomethyl)-2,7-dioxaspiro[4.4]nonane-1,6-dione

spiro[4.4]nona-2,7-diene-4,9-dione

3,8-bis(iodomethyl)-2,7-dioxaspiro[4.4]nonane-1,6-dione