-
First Standard® 2,7-萘二酚
-
First Standard® 恩诺沙星-D5
-
First Standard® 氨基甲酸乙酯-D5
-
First Standard® DL-氯霉素-D5
-
间二甲苯,108-38-3,Standard for GC,≥99.5%(GC)
-
对二甲苯,106-42-3,Standard for GC,≥99.8%(GC)
-
1,4-双(溴甲基)-2,5-二甲苯,35168-62-8,98%
-
First Standard® 邻苯二甲酸二(2-乙基己基)酯-3,4,5,6-D4
-
2-溴-5-碘-1,3-二甲苯,689260-53-5,97%
-
2-溴-5-氟甲苯
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