(4-(Acetylamino)phenyl)arsonic acid sodium salt tetrahydrate 6018-32-2 ARSANILIC ACID, N-ACETYL-, SODIUM SALT, TETRAHYDRATE Arsacetin tetrahydrate Arsonic acid, (4-(acetylamino)phenyl)-, monosodium salt, tetrahydrate (9CI) N-Acetyl-p-aminobenzenearsonic acid, sodium salt, tetrahydrate N-Acetylarsanilic acid, sodium salt, tetrahydrate Sodium acetylarsanilate tetrahydrate p-Acetamidobenzenearsonic acid, sodium salt, tetrahydrate