1,6-Hexanediamine,N,N'-bis(2,2-dimethylpropylidene)-(9CI), Lupragen VP 9159, N,N'-(2,2-Dimethylpropylidene)hexamethylenediamine, N,N'-Bis(2,2-dimethylpropylidene)-1,6-hexanediamine, 1,6-Hexanediamine,N,N'-dineopentylidene-(7CI,8CI), 1,6-Hexanediamine,N1,N6-bis(2,2-dimethylpropylidene)