5-ethoxy-3-(furan-2-yl)-3,4-dihydro-2H-pyrrole

ethyl 3-(5-nitrofuran-2-yl)prop-2-enoate

1-(2,4,6-trimethylpiperazin-1-yl)propan-1-one

3-(furan-2-yl)propanal

(E)-3-(2-呋喃)丙烯腈