SP(=S)(OCC1OC(CC1OP(S)(=S)OCC2OC(CC2O)N3C=CC(N)=NC3=O)N4C=CC(N)=NC4=O)OC5CC(OC5COP(S)(=S)OC6CC(OC6CO)N7C=CC(N)=NC7=O)N8C=CC(N)=NC8=O