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https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C20H36O4/c1-3-7-11-19(21-15-16-22-19)13-9-5-2-6-10-14-20(12-8-4-1)23-17-18-24-20/h1-18H2
1,4,14,17-tetraoxadispiro[4.7.4.7]tetracosane