6-boraspiro[2.5]octa-4,7-diene, 6-methyl- 6-methyl-6-boraspiro[2.5]octa-4,7-diene InChI=1/C8H11B/c1-9-6-4-8(2-3-8)5-7-9/h4-7H,2-3H2,1H