6,6-二甲基-3,4-十一碳二烯-2,10-二酮

(Z)-6,6-dimethyl-3-undecen-2,5,10-trione

2-Heptanone, 6-(3-acetyl-1-cyclopropen-1-yl)-6-methyl-

(E)-4-(1,2,2-Trimethyl-6-oxo-cyclohexyl)-but-3-en-2-on

4-(7',7'-dimethyl-3'-methylidene-2'-oxacycloheptylidene)-2-butanone