74636-05-8 (1aR,2aS)-2a,3,4,5,6,6a,7,7a-Octahydro-4β-hydroxy-7β-hydroxymethyl-3,3,6aβ,7aα-tetramethylnaphth[2,3-b]oxiren-2(1aH)-one 74636-06-9 (1aR,2aS)-2a,3,4,5,6,6a,7,7a-Octahydro-7β-hydroxymethyl-3,3,6aβ,7aα-tetramethylnaphth[2,3-b]oxiren-2(1aH)-one