3,8-Diamino-5-methyl-6-phenylphenanthridinium bromide518-67-2100 % similar Ethidium bromide1239-45-872 % similar Propidium iodide25535-16-452 % similar 3,4-Diphenylaniline10569-67-235 % similar 3,8-Diamino-6-phenylphenanthridine52009-64-032 % similar