3,4-dimethyl-6-(diethoxyphosphoryl)-2H-thiopyran

2-(diethoxy)phosphoryl-5,6-dihydro-3,4-dimethyl-2H-thiopyran S-oxide

1-异丙基-3,4-二甲基-3-环戊烯-1-醇

dimethyl 4,5-dimethylcyclohexa-1,4-diene-1,2-dicarboxylate

4,5-Dimethyl-1,4-cyclohexadien-1,2-dicarbonsaeure-di-tert-butylester