1,2-diethyl-4,5-dimethylcyclohexa-1,4-diene

2,3,4,5-tetraethyl-1-[2-(2,3,4,5-tetraethylphospholan-1-yl)ethynyl]phospholane

2,3,4,5-tetraethyl-1-ethynylphospholane

1-(2-cyclohexylethynyl)-2,3,4,5-tetraethylphospholane

(5,6-diethyl-7-methoxy-1-methylindol-4-yl) acetate