4-bromo-6-tert-butyl-3-hydroxy-6-methyl-2h-pyran-5(6h)-dione |
2-methyl-2-tert-butyl-ketolactone |
4-bromo-6-(1,1-dimethylethyl)-3-hydroxy-6-methyl-2h-pyran-5(6h)-dione |
4-bromo-6-tert-butyl-3-hydroxy-6-methyl-2h-pyran-2,5(6h)-dione |
substance 86 |
4-bromo-6-tert-butyl-3-hydroxy-6-methyl-2h-pyran-5(6h)-dione |