DB32/T 2204-2012
KS M 8418-2006(2018)
2-Amino-2-hydroxymethyl-1,3-propanediol
HG/T 4875~4877-2016
HG/T 4876-2016
3-Aminopyridine for industrial use
HG/T 4877-2016
4-Aminopyridine for industrial use
HG/T 4875-2016
2-Aminopyridine for industrial use
HG/T 5615-2019
GB/T 32159-2015
Coking pure pyridine
GB/T 27567-2011
Pyridine for industrial use
GB/T 24199-2009
Refined pyridine - Determination of pyridine content - Gas chromatographic method
GB/T 6730.37-2017
Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
HG/T 5612\uff5e5615-2019
YB/T 5070-2014
α-methyl pyridine
HJ 550-2015
HJ550-2015
GB/T 27715-2011
3-methylpyridine for industrial use
GB/T 689-1998
Chemical reagent--Pyridine
GB/T 25786-2016
2-Amino-4-acetamino anisole
YB/T 5071-2015
β-methyl pyridine fraction
GB/T 21892-2015
p-Aminophenol