p. 5591 - 5594
(1989)2-((Z)-2-Phenyl-but-1-en-3-ynyl)-pyridine 1-oxide
2-((E)-2-Phenyl-but-1-en-3-ynyl)-pyridine 1-oxide
3-phenylindolizine-2-carbaldehyde
2-((Z)-2-Phenyl-4-trimethylsilanyl-but-1-en-3-ynyl)-pyridine 1-oxide
2-((E)-2-Phenyl-4-trimethylsilanyl-but-1-en-3-ynyl)-pyridine 1-oxide