InChI=1S/C17H18BNO5/c20-16(11-12-5-2-1-3-6-12)19-15(18(23)24)10-13-7-4-8-14(9-13)17(21)22/h1-9,15,23-24H,10-11H2,(H,19,20)(H,21,22)/t15-/m0/s1