Try searching for...
SCFBio, IIT Delhi
Formula: C10H16N5O12P3 | Mol. Weight: 491.18 g/mol
IUPAC: [5-(6-aminopurin-9-yl)-3-hydroxyoxolan-2-yl] [hydroxy(phosphonooxy)phosphoryl] methyl phosphate
COP(=O)(OC1C(CC(O1)N2C=NC3=C(N=CN=C32)N)O)OP(=O)(O)OP(=O)(O)O