Phenazine ethosulfate10510-77-7100 % similar Phenazine methosulfate299-11-650 % similar 1-Methoxyphenazine methosulfate65162-13-239 % similar 1-Ethyl-3-methylimidazolium ethylsulfate342573-75-537 % similar Ethyl benzenesulfonate515-46-835 % similar