Liyang Yutian Chemical Co.,Ltd.
3,5-Dimethylpiperidine
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9,9'-Spirobifluorene
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2,2',7,7'-Tetrabromo-9,9'-spirobifluorene
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9-(4-bromophenyl)-9H-carbazole
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3-bromoperylene
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2,2'-Dibromo-9,9'-spirobifluorene
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lutidinic acid
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2(3H)-Benzothiazolethione,6-fluoro-
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3,6-dibromocarbazole
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10,15-dihydro-5H-tribenzo[a,f,k]triindene
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