3H-naphth[1,8a-b]oxiren-2(1aH)-one, hexahydro-4a-methyl-, (1aS,4aS,8aS)- InChI=1/C11H16O2/c1-10-5-2-3-6-11(10)9(13-11)8(12)4-7-10/h9H,2-7H2,1H3/t9-,10+,11-/m1/s rel-(1aR,4aR,8aR)-4a-methylhexahydro-1aH-naphtho[1,8a-b]oxiren-2(3H)-one