InChI=1/C21H25N3O2S/c1-4-16(2)17-10-12-19(13-11-17)27(25,26)23-20(18-8-6-5-7-9-18)21-22-14-15-24(21)3/h5-16,20,23H,4H2,1-3H3/t16-,20-/m0/s1 C7EA78D646B2F5E3