InChI=1/C28H31N3O5S/c1-18-7-3-4-9-21(18)26-19(16-30-23(28(33)34)12-14-37-2)8-5-10-22(26)31-25(32)15-20-17-35-27-24(36-20)11-6-13-29-27/h3-11,13,20,23,30H,12,14-17H2,1-2H3,(H,31,32)(H,33,34)/t20-,23+/m1/s1/f/h30-31H 815970B3E2759A2C