PUTRESCINE HYDROCHLORIDE, PUTRESCINE DIHYDROCHLORIDE, DIAMINOBUTANE DIHYDROCHLORIDE, 1,4-Butanediamine, dihydrochloride, Putrescin dihydrochloride, PUT dihydrochloride, 1,4-BUTANEDIAMMONIUM DICHLORIDE, 1,4-DIAMINOBUTANE HYDROCHLORIDE, Tetramethylenediamine Dihydrochloride, 1,4-Butanediamine Dihydrochloride, 1,4-DiaMinobutane Dihydrochloride, Putrescine 2HCl, TETRAMETHYLENEDIAMINE 2HCL, 1,4-DIAMINOBUTANE 2HCL