InChI=1S/C27H33N3O7/c1-15(2)9-12-28-19-14-17(37-5)7-8-18(19)26(23(28)33)20(13-16(3)4)30-22(32)25(35)10-6-11-29(25)24(34)27(30,36)21(26)31/h7-9,13-14,20-21,31,35-36H,6,10-12H2,1-5H3/t20-,21-,25+,26-,27+/m0/s1