InChI=1/C19H22N4O3/c1-22(2)13-16(19(24)14-6-4-3-5-7-14)12-21-18-9-8-17(23(25)26)10-15(18)11-20/h3-10,16,19,21,24H,12-13H2,1-2H3/p+1/t16-,19-/m1/s1/fC19H23N4O3/h22H/q+1 DB4C367F541839DF