6-Amino-2-naphthoic acid116668-47-431 % similar 1-Methyl-1H-benzimidazol-6-amine26530-93-831 % similar N-(tert-Butoxycarbonyl)-1,2-phenylenediamine146651-75-430 % similar tert-Butyl N-(benzyloxy)carbamate79722-21-730 % similar