157878-18-7 2-Oxiraneacetic acid, a-[2-[(1R,2R,4aR,6S,8aS)-octahydro-6-hydroxy-5,5,8a-trimethylspiro[naphthalene-2(1H),2'-oxiran]-1-yl]ethylidene]-,methyl ester, (aE)- 157998-89-5 Androst-2-en-1-one,7-(acetyloxy)-5,6-epoxy-17-hydroxy-17-(4-hydroxy-4,5-dimethyl-3-oxo-2-oxabicyclo[3.2.1]oct-7-yl)-,[5b,6b,7a,17b,17(1R,4R,5R,7S)]- 124192-97-8 Dispiro[furan-3(2H),5'(9'H)-[1H-3,9a]methano[2]benzoxepin-9',2''-oxirane]-2,3',10'(4'H)-triol,5-(3-furanyl)hexahydro-4'-methyl-, 2-acetate, [3'S-[3'a,4'b,5'a(2R*,5R*),5'ab,9'a,9'ab,10'S*]]-