2,3-Dihydro-2,2-dimethyl-7-benzofurandiazonium, sulfate (2:1) 68298-47-5 7-Benzofurandiazonium, 2,3-dihydro-2,2-dimethyl-, sulfate (2:1) Bis(2,3-dihydro-2,2-dimethyl-7-benzofurandiazonium) sulphate EINECS 269-571-3