【医】 formaldehydogenic
formaldehyde【化】 formaldehyde; methanal; methyl aldehyde; methylene oxide; oxymethylene【医】 formaldehyde; formic aldehyde; methanal; methyl aldehyde
former; original【化】 ortho-【医】 arch-; arche-; ortho-; pro-; prot-; proto-