GB/T 38409-2019
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone (NEP) content
GB/T 27563-2011
N-Methyl-2-Pyrrolidone for industrial use
32015D1875
HG/T 5344-2018
Chemical reagent-2-Butanone
DB42/T 1720-2021
SN/T 4768-2017
Determination of 1-methyl-2-pyrrolidone in paint by high performance liquid chromatography-tandem mass spectrometry
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
GB 28366-2012
20243172-T-606
n-Methyl-2-Pyrrolidone for industrial use
20231185-T-469
Electronic-grade N-Methyl-2-Pyrrolidone
32014D0688
GB 5009.282-2020
GB 29981-2013
HG/T 5687-2020
1,3,3-Trimethy-2-methyleneindoline
HG/T 5845\uff5e5848-2021
HG/T 5653-2019
SH/T 1822-2019
1,2,4,5-Tetramethylbenzene
T/SDSCCE 031-2022