InChI=1/C28H25N3O4/c29-27(33)28(16-23(28)26(32)31-34)15-18-10-12-21(13-11-18)35-17-20-14-25(19-6-2-1-3-7-19)30-24-9-5-4-8-22(20)24/h1-14,23,34H,15-17H2,(H2,29,33)(H,31,32)/t23-,28+/m1/s1/f/h31H,29H2 01940ED05F7DEC56