?? ?? ?? ???? ?? : +86 (0)575-82040869
???
PRODUCTS+86 (0)575-82040869
sales@catsyn.com
Catsyn? 1H-Pyrazole-1-carboxylic acid, 4-formyl-, 1,1-dimethylethyl ester | CAS 821767-61-7?? ?? ??? ?????. ? ??? C9H12N2O3??, ???? 196.20g/mol??, ??? ????? NLT 98%???.