(4-METHOXYPHENYL)ARSONIC ACID (p-Methoxyphenyl)arsonic acid 4-Methoxybenzenearsonic acid 6307-51-3 Arsonic acid, (4-methoxyphenyl)- Benzenearsonic acid, p-methoxy- NSC41366 WLN: Q-AS-QO&R DO1 p-Methoxybenzenearsonic acid