InChI=1/C17H17NO3S/c19-18(20)12-7-5-11(6-8-12)16-14-9-10-22-17(14)13-3-1-2-4-15(13)21-16/h5-10,13,15-16H,1-4H2/t13-,15+,16+/m0/s1 E470C83F734473A5