Synonyms: 1,4-BUTANE-2,2,3,3-D4-DIAMINE 2HCL;1,4-BUTANE-2,2,3,3-D4-DIAMINE DIHYDROCHLORIDE;1,4-DIAMINOBUTANE-2,2,3,3-D4 DIHYDROCHLORIDE;1,4-DIAMINOBUTANE-2,2,3,3-D4 DIHYDRO-CHL ORIDE, 98 ATOM % D;1,4-butanediamine-2,2,3,3-d4dihydrochloride;1,4-Butanediamine-2,2,3,3-d4 dihydrochloride, Putrescine-2,2,3,3-d4 dihydrochloride