3-[5-(4-bromophenyl)furan-2-yl]prop-2-enoic acid

3-[5-(4-nitrophenyl)furan-2-yl]prop-2-enoic acid

2-bromo-5-ethenylfuran

5-[3-(hydroxymethyl)phenyl]furan-2-carbaldehyde

5-吡啶-3-基-2-糠醛