| http://www.w3.org/ns/prov#value | - Aromatic diamines such as p-phenylenediamine, m-phenylenediamine, 2,5-diaminotoluene, 2,6-diaminotoluene, 4,4???-diaminobiphenyl, 3,3???-dimethyl-4,4???-diaminobiphenyl, diaminodiphenylmethane, diaminodiphenyl ether, 2,2???-diaminodiphenylpropane, bis(3,5-diethyl-4-aminophenyl)methane, diaminodiphenylsulfone, diaminobenzophenone, diaminonaphthalene, 1,4-bis(4-aminophenoxy)benzene, 1,4-bis(4-aminop
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