Chemical Name : 4,4'-二甲基联苯
CAS : 613-33-2
2,9-二甲基-4,7-联苯-1,10-邻二氮杂菲
1-溴-2,6-二氟苯
4-氯-2-氟硝基苯
1-溴-2,4,5-三氯苯
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