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1-(2-溴乙氧基)-2-乙氧基苯
p-(Pentyloxy)aniline
二十碳一烯酸甲酯 标准品
1mlSPE空柱(含垫),108支/包
气进样针
Agilent Technology, LiChrospher 100 RP-18 保护柱
对苯二胺
DESICCATORS "MOBILEX", WITH LID WITH SCREW THREAD AND SCREW-CLOSURE CAP BOROSILICATE GLASS, WITH S
Silica gel 60 PF254 containing gypsum for preparative layer chromatography
PREC.LOW.TEMP.LAB.THERMOMETERS,YELLOW ENAMELLED,DIFFICO GRAD.ORGANIC LIQUIDS -50+50|C, DIA.6-7 MM