InChI=1/C21H29N3O4S/c1-28-16-8-9-17-15(14-16)10-13-23-20(17)18-6-5-7-19(21(23)25)24(18)29(26,27)22-11-3-2-4-12-22/h8-9,14,18-20H,2-7,10-13H2,1H3/t18-,19+,20+/m1/s1 C169976809A75F33