purpurea glycoside B

1S/C47H74O19/c1-20-41(64-35-15-29(50)42(21(2)60-35)65-36-16-30(51)43(22(3)61-36)66-44-40(56)39(55)38(54)32(18-48)63-44)28(49)14-34(59-20)62-25-8-10-45(4)24(13-25)6-7-27-26(45)9-11-46(5)37(23-12-33(53)58-19-23)31(52)17-47(27,46)57/h12,20-22,24-32,34-44,48-52,54-57H,6-11,13-19H2,1-5H3/t20-,21-,22-,24-,25+,26+,27-,28+,29+,30+,31+,32-,34+,35+,36+,37+,38-,39+,40-,41-,42-,43-,44+,45+,46-,47+/m1/s1