1(2H)-Pyridazinecarboxylic acid, 3,6-dihydro-6-methyl-, ethyl ester
CAS No. 98492-98-9
1(2H)-Pyridazinecarboxylic acid, 3,6-dihydro-6-methyl-, ethyl ester
钾环氧乙烷-2 - 羧酸叔丁酯