(E,E,E)-(4-(1-Methyl-3-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-propenylidene)-2-cyclohepten-1-ylidene)acetaldehyde 4-(3-(2,6,6-Trimethyl-1-methyl-1-cyclohexen-1-yl)-2-(propenylidene)-2-cyclohepten-1-ylidene)acetaldehyde 79270-63-6 Acetaldehyde, (4-(1-methyl-3-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-propenylidene)-2-cyclohepten-1-ylidene)-, (E,E,E)- Mtcpca