... benzol苯基 p-methylphenyl对甲苯基 m-methylphenyl间甲苯基 ...
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p-methylphenyl methy 对甲基苯乙酮
P-Methylphenyl acetate 乙酸对甲苯酯
p-methylphenyl bromide 对溴甲苯
p-methylphenyl sulphonylamine 对甲基苯磺酰胺
p-methylphenyl methyl ketone 对甲基苯乙酮
p-methylphenyl 2-methoxyethyl ether 对甲苯氧乙基甲醚
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In this paper, p-methylphenyl sulphonylamine was used to modify urea formaldehyde resin with low molar ratio.
用对甲基苯磺酰胺改性低克分子比的脲醛树脂。
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