(1E,7E)-1,7-dimethylcyclodeca-1,4,7-triene (E,E,E)-1,7-Dimethylcyclodeca-1,4,7-triene 1,4,7-cyclodecatriene, 1,7-dimethyl-, (1E,7E)- 1,7-Dimethylcyclodeca-1,4,7-triene InChI=1/C12H18/c1-11-7-4-3-5-8-12(2)10-6-9-11/h3-4,8-9H,5-7,10H2,1-2H3/b4-3+,11-9+,12-8 Pregeijerene B