3d image of furfural skeletal formula

furfural furan-2-carbaldehyde furan-2-carboxaldehyde fural furfuraldehyde 2-furaldehyde pyromucic aldehyde c4h3ocho agricultural corncobs oat wheat bran sawdust lignocellulosic biomass foods beverages hemicellulose pentosans catalytic reduction carcinogenic mutagenic hepatotoxic poison venom toxicant toxic toxicity toxin toxicology poisoning danger hazard harmful mutagen mutagenesis carcinogen cancer carcinogenicity carcinogenesis tumor substance compound component agent reagent precursor synthesis reaction production 3d