. . . . . "Furan-2-carbaldehyde" . "Furfural" . . "2-furfuraldehyde" . . . . "Furfural, furan-2-carboxaldehyde, fural, furfuraldehyde, 2-furaldehyde, pyromucic aldehyde" . . . . . . . . . . . . . . . . . . "furaldehyde" . . "Furfural" . . "furfural" .