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Beijing Prina Chemical Industry Co.,Ltd.

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4,4’-BIS(DIETHOXYPHOSPHONOMETHYL)-BIPHENYL

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Benzaldehyde-o-Sodium Sulphonate

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4-FORMYL BENZOIC ACID

Cas 619-66-9
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TEREPHALALDEHYDE

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fluorescent brightener

Cas 13001-40-6
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OPTICAL BRIGHTENER CBS-L

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1,1'-Biphenyl-4,4'-bis[2-methoxyphenyl]ethenyl]

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1,4-Bis(2-cyano styryl)benzene

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2.5-bis(5-tertbutyl-2-benzoxazolyl)thiophene

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4.4-bis(benzoxazolyl-2-yl)naphth-alene

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