3-Pyridinecarboxylic acid,5-cyano-1,4-dihydro-2,6-dimethyl-4-(2-methyl-4-oxo-4H-1-benzopyran-8-yl)-, cyclobutylmethyl ester
CAS No. 921609-06-5
1-Amino-4<wbr> 817177-73-4
Te 22537-55-9
2-甲基-6-叔丁基吡喃酮