乙基甲基丙二酸

N,N'-bis(3,4-dichlorophenyl)-2-methylpropanediamide

5,7-dichloro-6-methylpyrazolo[1,5-a]pyrimidine

diethyl 2-methyloctanedioate

diethyl 2-methyl-2-(4-nitrophenyl)propanedioate