2-Naphthalenecarboxamide, N-(2-ethoxyphenyl)-3-hydroxy-, monosodiumsalt 68556-17-2 EINECS 271-478-8 N-(2-Ethoxyphenyl)-3-hydroxy-2-naphthalenecarboxamide, sodium salt Sodium N-(2-ethoxyphenyl)-3-hydroxynaphthalene-2-carboxamidate