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4-氨基-2-氯嘧啶
2-(3-噻吩基)-1,3-二氧戊环
SCREW CAPS, TOP WITH HOLE, GREY, MADE OF PP, GL 60, BORE 48 MM DIA.
双(五氟苯基)苯膦,>98.0%(GC)
四水硫酸铈
3-FOLD STOPPER SGJ 14 WITH MICRO VALVE
HyperSep-96 Silica 板, 100mg/1mL 1个/包装
HyperSep Diol 500mg 3mL SPE Column 50个/包装
2.5ml 气相注射器,(气密型)
气相色谱不分流进样口衬管(不带玻璃毛)单细径锥、超高惰性