391860-21-2 Propanedinitrile, 2,2'-(2,1,3-benzothiadiazole-4,7-diylidene)bis-,compd. with N,N,N',N'-tetramethyl-2,1,3-benzoxadiazole-4,7-diamine(2:1)
391860-24-5 Propanedinitrile, 2,2'-(2,1,3-benzothiadiazole-4,7-diylidene)bis-,compd. with N,N,N',N'-tetramethyl-2,1,3-benzothiadiazole-4,7-diamine(1:1)