(p-Methoxybenzenesulfonyl)hydrazine 1950-68-1 4-Methoxybenzenesulfonic acid hydrazide Benzenesulfonic acid, 4-methoxy-, hydrazide Benzenesulfonic acid, p-methoxy-, hydrazide NSC267215 p-Methoxybenzenesulfonic acid hydrazide p-Methoxybenzenesulfonic hydrazide p-Methoxyphenylsulfonyl hydrazide p-Methoxyphenylsulfonylhydrazine