108223-33-2
2,3'-diphenyl-3-(piperidin-1-yl)spiro[indene-1,5'-[1,4,2]oxathiazole]
→
~98%
108223-38-7
3-oxo-2,3'-diphenylspiro[indane-1,5'-(1',4',2'-oxathiazole)]
83-12-5
苯茚二酮