4-Methyl-2,6-dioxo-8-(4-vinylphenyl)hexahydro-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium-8-uide

4-Methyl-2,6-dioxo-8-(4-vinylphenyl)hexahydro-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium-8-uide