(3R)-2,2,5aβ,9β-Tetramethyl-3β,9aβ-methanodecahydro-1-benzoxepin

(3R,9aS)-3,4,5,5a,6,7,8,9-Octahydro-2,2,5aβ,9β-tetramethyl-2H-3,9a-methano-1-benzoxepin