1,3,2-dioxaborinane, 5,5-dimethyl-2-(phenylethynyl)- 5,5-dimethyl-2-(phenylethynyl)-1,3,2-dioxaborinane InChI=1/C13H15BO2/c1-13(2)10-15-14(16-11-13)9-8-12-6-4-3-5-7-12/h3-7H,10-11H2,1-2H