Bemarsal

difetarsone

[4-[2-(4-arsonoanilino)ethylamino]phenyl]arsonic acid

1,2-Ethanediylbis(imino-4,1-phenylene)bisarsonic acid

1,2-Ethanediylbis(imino-4,1-phenylene)bis(arsonic acid)

[4-[2-[(4-arsonophenyl)amino]ethylamino]phenyl]arsonic acid