n-phenyl-3-(phosphonooxy)-2-naphthalenecarboxamiddisodiumsalt ;NAPHTHOL AS PHOSPHATE DISODIUM SALT;naphthol as phosphate sodium;disodium N-phenyl-3-(phosphonooxy)-2-naphthalenecarboxamid;NAPHTHOL AS PHOSPHATE, DISODIUM SALT 97+%;N-Phenyl-3-[[bis(sodiooxy)phosphinyl]oxy]-2-naphthalenecarboxamide