InChI=1/C23H25N3O4/c1-14-18(17-4-2-3-5-20(17)24-14)12-15-6-8-16(9-7-15)22(27)25-21-10-11-30-13-19(21)23(28)26-29/h2-9,19,21,24,29H,10-13H2,1H3,(H,25,27)(H,26,28)/t19-,21+/m0/s1/f/h25-26H 797BAD56EFA482B0