32018R0248
HG/T 5485-2018
2-Methoxy-5-methylaniline-4-sulfonylethyl hydrogen sulfate ester
QB/T 4420-2012
GB 1886.368-2023
GB 28366-2012
GB 29981-2013
AWWA WQTC71458
Identification of 2-methoxy-3,5-dimethylpyrazine as the Obnoxious Compound at Trace Levels in Water Supplies
USP f101250
2-Ethyl-3-methylpyrazine
GB 1886.354-2021
HG/T 5484\uff5e5487-2018
32018R0247
USP f101235
2-Ethyl-3,5(6)-dimethylpyrazine
USP f101351
2-Methoxy-3(5)-methylpyrazine
QB/T 2751-2012
UNE 84692:2006
Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{(4-(2-ethyl-hexyloxy)-2-hydroxy)-phenyl}-6-(4-methoxyphenyl) and 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol. Determination by liquid chromatography.
QB/T 2748-2012
QB/T 2749-2012
QB/T 2750-2012
GB 1886.290-2016
32015D1873