2,3,5-trimethyl-6-phenacylcyclohexa-2,5-diene-1,4-dione

2,5-dimethyl-3-phenacylcyclohexa-2,5-diene-1,4-dione

2,5-dimethyl-3,6-diphenacyl-1,4-benzoquinone

2,4a,6,8a-tetramethyl-3,7-bis(2-oxo-2-phenylethyl)-4a,4b,8a,8b-tetrahydrobiphenylene-1,4,5,8-tetraone

2-pyridin-1-ium-1-yl-1-thiophen-2-ylethanol,iodide