| http://www.w3.org/ns/prov#value | - ylene(OK?) dimethylenediamine, tricyclo[6.2.1.02,7]-undecylenedimethyldiamine and 4,4???-methylenebis(cyclohexylamine); diamines having two primary amino groups and a nitrogen atom other than the primary amino group in the molecule such as 2,3-diaminopyridine, 2,6-diaminopyridine, 3,4-diaminopyridine, 2,4-diaminopyrimidine, 5,6-diamino-2,3-dicyanopyrazine, 5,6-diamino-2,4-dihydroxypyrimidine, 2,4-
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