4,4-dimethyl-7,8-diphenylbicyclo[5.2.0]nonane-2,6,9-trione

(7-methyl-2,3-diphenylindolizin-1-yl) 2,2-dimethylpropanoate

(3-ethoxy-2-phenyl-3-propan-2-yloxycyclopropen-1-yl)benzene

(7-acetyl-2,3-diphenylindolizin-1-yl) acetate

2-tert-butyl-3,4-diphenyl-1,2-oxazol-5-one