(1S-(1alpha,3abeta,4alpha,8abeta,9S*))-Decahydro-4,8,8-trimethyl-1,4-methanoazulene-9-carboxaldehyde 1,4-Methanoazulene-9-carboxaldehyde, decahydro-4,8,8-trimethyl-, (1S-(1alpha,3abeta,4alpha,8abeta,9S*))- 66537-42-6 EINECS 266-395-9