N-(2-ethynylphenyl)-2-phenylpropanamide

3-[2-(2-phenylpropanamido)phenyl]prop-2-ynyl acetate

(Z)-phenyl N-(2-ethynylphenyl)-2-phenylpropaneselenoimidate

(Z)-phenyl 2-phenyl-N-[2-(prop-1-ynyl)phenyl]propaneselenoimidate

(Z)-phenyl 2-phenyl-N-{2-[2-(trimethylsilyl)ethynyl]phenyl}propaneselenoimidate