26786-97-0 4-Imidazolidinone, 3,3'-((2-methyl-1,4-piperazinediyl)bis(methylene))bis(5,5-diphenyl-2-thioxo- 5-24-08-00405 (Beilstein Handbook Reference) BRN 0738564 Hydantoin, 3,3'-((2-methyl-1,4-piperazinediyl)dimethylene)bis(5,5-diphenyl-2-thio-