1,6-Diaminohexane-1,1,6,6-d4;1,6-(1,1,6,6-H)Hexanediamine;1,1,6,6-tetradeuterio-hexane-1,6-diamine;1,6-Hexane-1,1,6,6-d-diamine;1,6-Hexane-1,1,6,6-d4-diamine;1,6-Hexane-1,1,6,6-d4-diamine,Hexamethylene-1,1,6,6-d4-diamine;1,6-<1,1,6,6-2H4>diaminohexane;Hexamethylene-1,1,6,6-d4-diamine;1,1,6,6-Tetradeutero-1,6-diamino-hexan