InChI=1S/2C22H23NO4S2.Ca/c2*1-15(14-28-22(27)16-8-4-2-5-9-16)20(24)23-13-18(12-19(23)21(25)26)29-17-10-6-3-7-11-17;/h2*2-11,15,18-19H,12-14H2,1H3,(H,25,26);/q;;+2/p-2/t2*15-,18+,19+;/m11./s1