5,5'-methylenebis(1H-benzotriazole)
1H-Benzotriazole, 6,6'-methylenebis-; 5,5'-Methylenebis-1H-benzotriazole; 1H-Benzotriazole, 5,5'-methylenebis-; 5,5'-Methylenebis(1H-benzotriazole); 5,5'-Methylenebis(benzotriazole); 5,5'-methanediylbis(2H-benzotriazole)