1,4-NAPHTHOQUINONE, 2-METHOXY- 1,4-Naphthalenedione, 2-methoxy- 2-Methoxy-1,4-naphthalenedione 2-Methoxy-1,4-naphthoquinone 2-Methoxy-p-naphthoquinone 2-Methoxynaphthoquinone 2348-82-5 AI3-17893 NSC 31530