(E)-4-(dimethylamino)pent-3-en-2-one

N,N-dimethylcyclohexen-1-amine

2,4-di-tert-butyl-6,6-bis(dimethylamino)cyclohexa-2,4-dien-1-one

2,2-diethyl(6,8-di-tert-butyl)-4,5-benzo-2-germa-1,3-dioxolane

O-triethylgermyl catechol