2,3-二氢-[1,2]恶唑并[3,2-b]喹唑啉-9-酮

7-chloro-2,3-dihydro-[1,2]oxazolo[3,2-b]quinazolin-9-one

3-methoxy-4,5-dihydro-1,2-oxazole

2-methyl-1,2-oxazolidin-3-one

3-aminooxypropanoic acid,hydrochloride