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4Ingram J R.Preservation of rubber[P].USA:USP 2 064 752,1936-12-15.
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6Rivera H M.Novel apparatus for the obtention of substituted 1,2-dihydroquinolines[P].USA:USP 3 907 507,1975-09-23.
7VEB Leuna-Werke "Walter Ulbricht".Verfahren zur herstellung von 2,2,4-trimethyl-1,2-dihydrochinolin[P].German:DD 152338,1981-11-25.
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9Sumitomo Chemical Company,Limited.Process for producing 2,2,4-trimethyl-1,2-dihydroquinoline[P].USA:USP 4 746 743,1988-05-24.