1-Naphthaldehyde, azine (8CI) 1-Naphthalenecarboxaldehyde, (1-naphthalenylmethylene)hydrazone 2144-00-5 EINECS 218-403-7 NSC 80714 Naphthalazine Naphthalene-1-carbaldehyde (1-naphthylmethylene)hydrazone