[4-[(4-oxocyclohexa-2,5-dien-1-ylidene)methylamino]phenyl]arsonic acid

[4-(dimethylamino)phenyl]arsonic acid

[4-[(4,6-二氯-1,3,5-三嗪-2-基)氨基]苯基]砷酸

[4-[(4,6-二氨基-1,3,5-三嗪-2-基)氨基]苯基]砷酸

4-Hydroxy-3,5-(dinitrobenzene)arsonic acid