(1,1-Biphenyl)-4,4-diamine, reaction products with 4-(6-methyl-2-benzothiazolyl)benzenamine, 4-(6-methyl(2,6-bibenzothiazol)-2-yl)benzenamine and sodium sulfide
(1,1-Biphenyl)-4,4-diamine, reaction products with 4-(6-methyl-2-benzothiazolyl)benzenamine, 4-(6-methyl(2,6-bibenzothiazol)-2-yl)benzenamine and sodium sulfide