68039-67-8 Di(tert-pentyl)naphthalenesulphonic acid, compound with butylamine(1:1) Di-tert-amylnaphthalenesulfonic acid, butylamine salt EINECS 268-274-6 Naphthalenesulfonic acid, bis(1,1-dimethylpropyl)-, compd. with 1-butanamine (1:1)