InChI=1/C18H21N5O4/c1-10-4-2-3-5-11(10)6-19-16-13-17(21-8-20-16)23(9-22-13)18-15(26)14(25)12(7-24)27-18/h2-5,8-9,12,14-15,18,24-26H,6-7H2,1H3,(H,19,20,21)/t12-,14-,15-,18-/m1/s1/f/h19H 37A41EAB875805E6