InChI=1/C31H42N4O4/c1-7-21(4)26-30(37)32-18-17-22-13-15-24(16-14-22)39-28(20(2)3)27(31(38)33-26)34-29(36)25(35(5)6)19-23-11-9-8-10-12-23/h8-18,20-21,25-28H,7,19H2,1-6H3,(H,32,37)(H,33,38)(H,34,36)/p+1/b18-17-/t21-,25-,26+,27-,28+/m1/s1/fC31H43N4O4/h32-35H/q+1 72C42686BA63CFE6