(3,3-diethoxy-propyl)-hydroxymethyl-malonic acid diethyl ester

3-丁烯酸

N-(acetoxymethyl)-2-(2-hydroxy-2,2-diphenylacetoxy)-N,N-dimethylethan-1-aminium bromide

N-(4,4-Diphenyl-4-hydroxy-2-butynyl)-N-phthalimidomethyl pyrrolidinium chloride

1-((benzoyloxy)methyl)-1-(4-hydroxy-4,4-diphenylbut-2-yn-1-yl)piperidin-1-ium chloride