InChI=1/C20H31N3O3S/c1-13(2)16-9-5-6-10-17(16)21-20(27)23-22-19(24)18(14(3)4)26-12-15-8-7-11-25-15/h5-6,9-10,13-15,18H,7-8,11-12H2,1-4H3,(H,22,24)(H2,21,23,27)/t15-,18-/m0/s1/f/h21-23H 505C29E12B993E4D