InChI=1/C28H27N3O9/c32-16-8-6-14(7-9-16)26(37)31-19-13-29-10-2-4-18(19)30-27(38)15-11-21(34)24(22(35)12-15)25(36)23-17(28(39)40)3-1-5-20(23)33/h1,3,5-9,11-12,18-19,29,32-35H,2,4,10,13H2,(H,30,38)(H,31,37)(H,39,40)/t18-,19-/m1/s1/f/h29-31H 81FA1419B6748A9B