36340-49-5
(E)-4-(1,5,5-trimethyl-7-oxabicyclo[4.1.0]heptan-6-yl)but-3-en-2-one
50464-95-4
6-methyl-6-(5-methylfuran-2-yl)heptan-2-one
65868-83-9
2-Heptanone, 6-(3-acetyl-1-cyclopropen-1-yl)-6-methyl-
102635-39-2
4-(7',7'-dimethyl-3'-methylidene-2'-oxacycloheptylidene)-2-butanone
107675-06-9
(2,2,6-trimethyl-9-oxabicyclo[4.2.1]non-8-en-7-yl) methyl ketone

参考文献

O'Sullivan, Anthony; Frei, Bruno; Jeger, Oskar Helvetica Chimica Acta, 1986 , vol. 69, p. 555 - 559