InChI=1/C17H20N2OS/c20-16(11-13-7-3-1-4-8-13)19-17-18-12-15(21-17)14-9-5-2-6-10-14/h1,3-4,7-8,12,14H,2,5-6,9-11H2,(H,18,19,20)/f/h19H 062BBF0990993C37