structural formula business number 02d2 molecular formula c5h4o2 molecular weight 96.09 label 2-furancarbaldehyde, α-furancarbaldehyde, gluten creates ant oil, pyroviscosity aldehyde, furan formaldehyde, 2-formylofuran, 2-furancarboxaldhyde, furfurol, pyromucic aldehyde, furfural, extracting agent, multifunctional solvents, heterocyclic compounds, organic insulating materials, synthetic raw materials, intermediates numbering system physical property data toxicological data ecological data molecular structure data computing chemical...