1S/C52H53N3O6S3/c56-46(57)23-14-6-4-2-1-3-5-7-15-30-53-50(61)48(64-52(53)62)51-54(34-47(58)59)49(60)45(63-51)33-36-26-29-44-42(32-36)40-21-16-22-43(40)55(44)39-27-24-35(25-28-39)31-41(37-17-10-8-11-18-37)38-19-12-9-13-20-38/h8-13,17-20,24-29,31-33,40,43H,1-7,14-16,21-23,30,34H2,(H,56,57)(H,58,59)/b45-33+,51-48+