1,2,3,4-Tetrahydro-3-(phenylmethyl)-8-((1-phenyl-1H-tetrazol-5-yl)oxy)-5H-(1)benzopyrano(3,4-c)pyridin-5-one

乙醚

盐酸-4-哌啶酮-3-羧酸乙酯

苯酚

1-苄基-3-乙氧羰基-4-哌啶酮盐酸盐