InChI=1S/C14H17BNO4/c1-10(17)16-14(15(18,19)20)9-12-7-4-6-11-5-2-3-8-13(11)12/h2-8,14,18-20H,9H2,1H3,(H,16,17)/q-1/t14-/m0/s1