111586-69-7
3-o-tolyl-3,6-dihydro-pyridazine-1,2-dicarboxylic acid diethyl ester
→
103853-60-7
3-o-tolyl-1,4,5,6-tetrahydro-pyridazine
611-15-4
2-甲基苯乙烯
10292-62-3
1-cyclobutyl-2-methyl-benzene