1-(N-Phenylamino)naphthalene-13C6; 1-(Phenylamino)naphthalene-13C6;1-Anilinonaphthalene-13C6; 1-Naphthylphenylamine-13C6; Amoco 32-13C6;Antigene PA-13C6; Antioxidant A-13C6; Antioxidant PAN-13C6; C.I. 44050-13C6;Irganox L 05-13C6; N-(1-Naphthyl)-N-phenylamine-13C6; N-(1-Naphthyl)aniline-13C6;N-Phenyl-1-aminonaphthalene-13C6; N-Phenyl-1-naphthalenamine-13C6; N-Phenyl-1-naphthylamine-13C6; N-Phenyl-N-(1-naphthyl)amine-13C6;N-Phenyl-α-naphthylamine-13C6; SC 2622-13C6; Naugard PANA-13C6;Neozone A-13C6; N