InChI=1S/C23H37NO3S/c1-17(2)9-6-10-18(3)11-7-12-19(4)13-8-14-20(5)15-22(25)24-21(16-28)23(26)27/h9,11,13,15,21,28H,6-8,10,12,14,16H2,1-5H3,(H,24,25)(H,26,27)/b18-11+,19-13+,20-15+/t21-/m0/s1