108547-78-0
4-Oxo-10-oxabicyclo<6.3.2>trideca-1(11),8,12-trien-12,13-dicarbonsaeure-diethylester
120744-12-9
1a,2a,3a,5a-Tetrahydro-8-oxo-3a,5a-hexanodioxirenooxepin-4,5-dicarbonsaeure-diethylester
120744-11-8
1a,6a-Dihydro-9-oxo-4,6a-hexanooxirenooxepin-5,6-dicarbonsaeure-diethylester

参考文献

Tochtermann, Werner; Luttmann, Kay; Wolff, Christian; Peters, Karl; Peters, Eva-Maria; Schnering, Hans Georg von Chemische Berichte, 1989, vol. 122, p. 1653 - 1660