异烟酸,Isonicotinic acid [IN];99%
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肌酸酐 [肌酐],Creatinine;Pharmaceutical Secondary Standard; Certified Reference Material -
辛醛-d16;Octanal-d16 -
α-酮戊二酸钠,α-Ketoglutaric acid sodium salt;≥98% (titration) -
碳酸铵,Ammonium carbonate;99.999% trace metals basis -
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草酸,Oxalic acid;98%
