1,4,6,10,12,15,16,19-Octaoxatrispiro(4.2.2.4.2.2)nonadecane;1,4,6,10,12,15,16,19-octaoxatrispiro[4.2.2.4.2.2]nonadecane;1,4,6,10,12,15,16,19-Octaoxatrispiro[4.2.2.4~11~.2~8~.2~5~]nonadecane
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