O-CRESOLINDOPHENOL SODIUM SALT 3'-Methyl-indophenol sodium salt SODIUM BENZENONE-INDO-3'-METHYLPHENOL BENZENONE-INDO-3'-METHYLPHENOL SODIUM SALT N-[4-(Sodiooxy)-3-methylphenyl]-p-benzoquinone imine 4-[(3-Methyl-4-sodiooxyphenyl)imino]-2,5-cyclohexadien-1-one