InChI=1/C20H21NOS/c22-20(17-7-2-1-3-8-17)10-12-21(13-11-20)15-18-14-16-6-4-5-9-19(16)23-18/h1-9,14,22H,10-13,15H2/p+1/fC20H22NOS/h21H/q+1 690C14862916454F