2-(Diphenylacetylamino)-3-ethoxycarbonyl<2,3-b>quinuclidine

2-(4-methylpiperazin-1-yl)ethyl 2,2-diphenylacetate,dihydrochloride

二苯基乙酸甲酯

1-morpholin-4-yl-2,2-diphenylethanone

2,2-二苯基乙胺