silver;(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxo-1-[2-oxo-2-prop-2-enoxy-1-(triphenyl-λ5-phosphanylidene)ethyl]azetidine-2-thiolate 、
6-乙基烟酰氯化物 生成 prop-2-enyl 2-[(2R,3S)-2-(6-ethylpyridine-3-carbonyl)sulfanyl-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-1-yl]-2-(triphenyl-λ5-phosphanylidene)acetate