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1,3-环庚二酮
LiChroCART 55-4,LiChrospher 60 Si 10μm定制柱
1-壬炔
PUNYW10150461 Sacubitril Impurity 15
7-硝基吲哚-2-甲酸
气相色谱柱,TG-1301MS 60m x 0.53mm x 1μm
(定制产品)9种元素ICP-MS混标,Mo/Pd/Re/S/Sb/Si/Sn/Ti/W,溶于5% HNO3+0.1% HF
SCREW CAP CYLINDRICAL TEST TUBE PS, STERILE SINGLE, 20 ml (500 pcs)
苯丁锡