28272-18-6 Chrysanthin Germacra-4,11(13)-dien-12-oic acid, 1.alpha.,10.alpha.-epoxy-6,8.beta.-dihydroxy-, 12,8-lactone, acetate Germacra-4,11(13)-dien-12-oic acid, 1.beta.,10-epoxy-6.alpha.,8.alpha.-dihydroxy-, 12,8-lactone, acetate, (E)- NSC22070 Oxireno[8,9]cyclodeca[1,2-b]furan-8(2H)-one, 6-(acetyloxy)-1a,3,6,6a,7,9a,10,10a-octahydro-4,10a-dimethyl-7-methylene-, [1aR-(1aR*,4E,6R*,6aR*,9aS*,10aR*)]- PYRETHROSIN