1H-3a,7-Methanoazulen-5-ol, octahydro-3,6,8,8-tetramethyl-, acetate 67800-81-1 Cedrane-9-acetate EINECS 267-105-3 Octahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulen-5-yl acetate