p-{[p-(dimethylamino)phenyl]azo}benzenesulfonic acid, sodium salt - SpectraBase
Benzenesulfinic acid 98 873-55-2
Synthesis and applications of sodium sulfinates (RSO 2 Na): a powerful building block for the synthesis of organosulfur compounds - RSC Advances (RSC Publishing) DOI:10.1039/D0RA09759D