Acetic acid 2-[1-(2-hydroxymethyl-phenyl)-meth-(E)-ylidene]-8-methoxy-1-phenylethynyl-oct-3-ynyl ester

5-[1-[2-(tert-Butyl-dimethyl-silanyloxymethyl)-phenyl]-meth-(E)-ylidene]-11-methoxy-1-phenylsulfanyl-undeca-2,6-diyn-4-ol

Acetic acid 2-[1-(2-acetylsulfanylmethyl-phenyl)-meth-(E)-ylidene]-8-methoxy-1-phenylethynyl-oct-3-ynyl ester