1-Aminobenzotriazole1614-12-6100 % similar Hydroxybenzotriazole2592-95-254 % similar 1-Methylbenzotriazole13351-73-052 % similar 1-Hydroxy-1H-benzotriazole hydrate (1:?)123333-53-948 % similar 1-Hydroxybenzotriazole hydrate80029-43-248 % similar 1H-Benzotriazole-1-propanoic acid654-15-938 % similar Bop reagent56602-33-635 % similar Pybop128625-52-533 % similar 1-Methylbenzimidazole1632-83-333 % similar Benzo(C)cinnoline230-17-133 % similar 3,4-Dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine28230-32-233 % similar Phenazine92-82-032 % similar 1-Hydroxy-7-azabenzotriazole39968-33-731 % similar