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    氰尿酸
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    2-(isopropylamino)quinazolin-4(3H)-one
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    1-Isopropyl-6-phenylamino-1H-[1,3,5]triazine-2,4-dione
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    1-(4-methylphenyl)-3-phenylurea
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    N-环己基-N'-丙-2-基甲烷二亚胺
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