Polygonal

3,4,4aα,5,6,7,8,8a-Octahydro-3α-hydroxy-5,5,8aβ-trimethyl-2-naphthalenecarbaldehyde

(3R,4aS,8aS)-3-Hydroxy-5,5,8a-trimethyl-3,4,4a,6,7,8-hexahydronaphthalene-2-carbaldehyde