2-(4-(1,3-Benzodioxol-5-ylmethyl)piperazinyl)pyrimidinium methanesulphonate 3605-01-4 52293-23-9 EINECS 257-818-8 ET 495 methanesulfonate Piribedil mesylate Piribedil methanesulfonate Piribedil methylsulfonate Piribedil monomethanesulfonate Piribedil monomethylsulfonate Pyrimidine, 2-(4-(1,3-benzodioxol-5-ylmethyl)-1-piperazinyl)-, monomethanesulfonate (9CI) Pyrimidine, 2-(4-piperonyl-1-piperazinyl)-, methanesulfonate