32018R0248
GB 1886.295-2016
QB/T 2750-2012
GB 1886.290-2016
GB 1886.292-2016
GB 1886.291-2016
GB 29970-2013
QB/T 2750-2005
2,3-Dimethyl pyrazine
HG/T 5485-2018
2-Methoxy-5-methylaniline-4-sulfonylethyl hydrogen sulfate ester
QB/T 4420-2012
T/AHFIA 130-2024
GB 28366-2012
GB 29981-2013
GB 1886.368-2023
USP f101250
2-Ethyl-3-methylpyrazine
USP f101235
2-Ethyl-3,5(6)-dimethylpyrazine
GB 1886.354-2021
AWWA WQTC71458
Identification of 2-methoxy-3,5-dimethylpyrazine as the Obnoxious Compound at Trace Levels in Water Supplies
HG/T 5484\uff5e5487-2018
USP f101385
2-Methylpyrazine