InChI=1/C14H20N2O2S/c1-3-11-4-6-14(7-5-11)19(17,18)16-10-12-8-13(16)9-15(12)2/h4-7,12-13H,3,8-10H2,1-2H3/t12-,13-/m0/s1 4DA49EA890CE1C61