1,4-Butylene-bis-phenyl isothiuronium dihydrobromide 1047-90-1 2,2'-Butylenebis(1-phenyl-2-thiopseudourea) dihydrobromide NSC 36789 Pseudourea, 2,2'-butylenebis(1-phenyl-2-thio-, dihydrobromide Pseudourea, 2,2'-tetramethylenebis(1-phenyl-2-thio-, dihydrobromide (8CI)