7,7a-epoxytetrahydro-1,1,2,3,3-pentamethylindan-4(3aH)-one

Indeno[3a,4-b]oxiren-4(1aH)-one,hexahydro-5,5,6,7,7-pentamethyl-

7,7a-Epoxy-5,6,7,7a-tetrahydro-1,1,2,3,3-pentamethyl-4(3aH)-indanone