prov:value
| - Representative examples of suitable compounds belonging to these classes are glycols such as ethylene glycol, 1,3-propane-diol, 1,4-butane-diol and glycerol; aliphtic diamines such as ethylene diamine, trimethylene diamine, and tetramethylene diamine; aromatic diamines such as m-phenylene diamine, oand m-dichlorobenzidine, 2,5-dichlorophenylene diamine, 3,3-dichloro 4,4diaminodiphenyl methane, dia
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