2-[(2-hydroxy-4,4-dimethyl-6-oxo-1-cyclohexen-1-yl)(6-nitro-1,3-benzodioxol-5-yl)methyl]-5,5-dimethyl-1,3-cyclohexanedione : Aronis compounds, collection of screening compounds for high throughput screening, building blocks and fine organic compound samples, custom synthesis