HG/T 5652\uff5e5654-2019
SH/T 1822-2019
1,2,4,5-Tetramethylbenzene
SH/T 1779-2014
HG/T 5344-2018
Chemical reagent-2-Butanone
32018D1463
32015D1875
32018R0240
32015D1873
HG/T 3803-2006
HG/T 3874-2018
Tri (2-ethylhexyl ) írimellitate (rl、OT ìVI) foγindustrial use
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
HG/T 5845\uff5e5848-2021
HG/T 2417-1993
SN/T 3153-2012
Determination of N,N-bis(2-hydroxyethyl)-p-phenylenediamine,N,N-dimethyl-p-phenylenediamine,N,N-diethyl-p-phenylenediamine,N-phenyl-p-phenylenediamine and their salts in oxidative hair dyes for export-High performance liquid chromatography
HG/T 5485-2018
2-Methoxy-5-methylaniline-4-sulfonylethyl hydrogen sulfate ester
QB/T 4420-2012
QB/T 5058-2017
Fragrance- 2,2-dimethyl-3-(4-ethylphenyl) propionaldehyde
32017D2170
HG/T 5501\uff5e5504-2018
GB 28366-2012