InChI=1/C16H15N3O2/c1-16(2)12-8-10(4-6-13(12)18-15(20)21-16)14-7-5-11(9-17)19(14)3/h4-8H,1-3H3,(H,18,20)/f/h18H 134EF4D0CB9E1205