P(=O)(O)(OCC1OC(CC1OP(=O)(O)OCC2OC(CC2OP(=O)(O)OCC3OC(CC3OP(=O)(O)OCC4OC(CC4OP(=O)(O)OCC5OC(CC5O)N6C=NC7=C6N=C(N)NC7=O)N8C=CC(N)=NC8=O)N9C=CC(N)=NC9=O)N%10C=Nc%11c(N)ncnc%10%11)N%12C=C(C)C(=O)NC%12=O)OC%13CC(OC%13COP(=O)(O)OC%14CC(OC%14COP(=O)(O)OC%15CC(OC%15COP(=O)(O)O)N%16C=CC(N)=NC%16=O)N%17C=C(C)C(=O)NC%17=O)N%18C=NC%19=C%18N=C(N)NC%19=O