1,1'-(Dithiobis(2,1-phenylenecarbonyl))bis(4-methylpiperazine) 5-23-01-00121 (Beilstein Handbook Reference) 78010-24-9 BRN 0730240 Piperazine, 1,1'-(dithiobis(2,1-phenylenecarbonyl))bis(4-methyl-