Synonyms: 1,1'-[Thiobis(ethylenethio)]bis(2-methyl-2-propene-1-one);2,12-Dimethyl-4,7,10-trithia-1,12-tridecadiene-3,11-dione;2,2'-Thiodi(ethanethiol)dimethacrylate;Bis[2-(methacryloylthio)ethyl] sulfide;Thiomethacrylic acid S-[2-[2-(2-methylacryloylthio)ethylthio]ethyl] ester;Thiomethacrylic acid S-[2-[2-(methacryloylthio)ethylthio]ethyl] ester