4-11-00-00093 (Beilstein Handbook Reference) 599-71-3 BRN 2257368 Benzenesulfonamide, N-hydroxy- Benzenesulphonohydroxamic acid Benzsulfohydroxamic acid EINECS 209-973-8 Hydroxamic acid, benzsulfo- Hydroxylamine, N-(phenylsulfonyl)- N-(Phenylsulfonyl)hydroxylamine N-Hydroxybenzenesulfonamide NSC 45357 Piloty's acid