1-(2-amino-4-ethoxypteridin-6-yl)propan-1-one

2-amino-4-(pentyloxy)-6-propionylpteridine

ethyl 4-hydroxy-2-oxo-6-phenylpyran-3-carboxylate

3-ethoxy-5-phenylcyclohex-2-en-1-one

ethoxy-dimethyl-[2-(2-trimethylsilylethynyl)phenyl]silane