bis-(1H-Benzo[d][1,2,3]triazol-5-yl)methane

for the following products 5,5'-Methylene-bis(benzotriazole) | 5,5-Methylenebis-1H-benzotriazole | 6-((1H-Benzo[d][1,2,3]triazol-5-yl)methyl)-1H-benzo[d][1,2,3]triazole and bis-(1H-Benzo[d][1,2,3]triazol-5-yl)methane