3-ethyl-3-methyl-pentanedioic acid diethyl ester

2,4-二氰基-3-乙基-3-甲基戊二酰亚胺

(Z)-1-dimethyl(phenyl)silyl-2-methylbut-1-ene

(E)-1-dimethyl(phenyl)silyl-2-methylbut-1-ene

4-Ethyl-2-hydroxy-4-methylcyclopentan-1-on