Hydroxybenzotriazole2592-95-2100 % similar 1-Hydroxy-1H-benzotriazole hydrate (1:?)123333-53-988 % similar 1-Hydroxybenzotriazole hydrate80029-43-288 % similar 1-Methylbenzotriazole13351-73-054 % similar 1-Aminobenzotriazole1614-12-654 % similar 3,4-Dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine28230-32-252 % similar 1-Hydroxy-7-azabenzotriazole39968-33-750 % similar 1H-Benzotriazole-1-propanoic acid654-15-942 % similar 1-Methylbenzimidazole1632-83-339 % similar Bop reagent56602-33-636 % similar Benzo(C)cinnoline230-17-135 % similar Pybop128625-52-534 % similar Phenazine92-82-033 % similar Quinoxaline91-19-031 % similar 1-Ethyl-2-methyl-1H-benzimidazole5805-76-531 % similar 1,2,3-Benzotriazin-4(3H)-one90-16-430 % similar 1,3-Dihydro-1-(1-methylethenyl)-2H-benzimidazol-2-one52099-72-630 % similar