10-Bromo-3,4-epoxy-.alpha.-chamigrene 53767-99-0 CHAMIGRENE, 10-BROMO-3,4-EPOXY-A- NSC329497 Spiro[2-cyclohexene-1,3'-[7]oxabicyclo[4.1.0]heptane], 5-bromo-2,6,6,6'-tetramethyl-, [1'R-[1'.alpha.,3'.alpha.(R*),6'.alpha.]]-