1-Formylnaphthalene 1-NAPHTHALENECARBOXALDEHYDE 1-Naphthaldehyde 1-Naphthylaldehyde 4-07-00-01638 (Beilstein Handbook Reference) 66-77-3 BRN 0386082 EINECS 200-633-4 NSC 6106 alpha-Naphthal alpha-Naphthaldehyde alpha-Naphthylaldehyde alpha-Naphthylcarboxaldehyde