InChI=1/C20H31N3O4/c1-6-8-23(13-19(26)27-7-2)12-18(25)21-11-17(24)22-20-15(4)9-14(3)10-16(20)5/h9-10H,6-8,11-13H2,1-5H3,(H,21,25)(H,22,24)/p+1/fC20H32N3O4/h21-23H/q+1 3E6526DE4384E5B7