InChI=1/C26H30N4O3/c1-20-24(19-21-6-3-2-4-7-21)30(13-12-29-14-16-33-17-15-29)26(27-20)23-9-5-8-22(18-23)10-11-25(31)28-32/h2-11,18,32H,12-17,19H2,1H3,(H,28,31)/b11-10+/f/h28H 399A839CACA4EC28