14618-10-1 2-Hydroxy-5-nitro-alpha-toluenesulfonic acid sultone 2-Hydroxy-5-nitrophenylmethanesulfonic acid sultone 3H-1,2-Benzoxathiole, 5-nitro-, 2,2-dioxide 4-Hydroxy-5-nitrophenylmethanesulfonic acid sultone 5-Nitro-3H-1,2-benzoxathiole 2,2-dioxide AI3-61464 EINECS 238-655-1 NSC 121602