2,2'-Pentamethylene-bis(1-acetyl-2-thiopseudourea), dihydrochloride 64039-37-8 Pseudourea, 2,2'-pentamethylenebis(1-acetyl-2-thio-, dihydrochloride Pseudourea, 2,2'-pentamethylenedithiobis(1-acetyl-, dihydrochloride