(2008/06/13)
N,N'-di-sec-butylidene-(4,6-diethyl-2-methyl-1,3-benzenediamine)
N,N'-di-sec-butylidene-(2,4-diethyl-6-methyl-1,3-benzenediamine)
N,N'-di-sec-butyl-(4,6-diethyl-2-methyl-1,3-benzenediamine)
N,N'-di-sec-butyl-(2,4-diethyl-6-methyl-1,3-benzenediamine)
N,N'-diisopropylidene-(4,6-diethyl-2-methyl-1,3-benzenediamine)