InChI=1/C19H18N2O3/c1-11-5-10-16(22)19-17(11)14-3-2-4-15(14)18(20-19)12-6-8-13(9-7-12)21(23)24/h2-3,5-10,14-15,18,20,22H,4H2,1H3/t14-,15+,18+/m0/s1 61AC2562A5B668BE