pH缓冲液,500ML, BUFFER SOL PH 2.00 CERT 500ML

L-天门冬氨酸, L(+)-Aspartic acid

2，5-二溴甲苯, 2,5-Dibromotoluene

4-氨基哌啶, 4-Aminopiperidine

硫氰酸胍, Guanidine Thiocyanate

1-溴-2-丁酮, 1-Bromo-2-butanone

异烟酸酐(90％), Isonicotinic anhydride

2-甲氧基-4-吡啶甲酸 1GR, 2-Methoxy-4-pyridinecarboxylic acid

2-溴-2-丁烯, 2-Bromo-2-butene

甲烷磺酸酐, Methanesulfonic anhydride