SMILES: CN1C=[N+](C2=C1C(=O)NC(=N2)N)[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)([O-])OP(=O)([O-])OP(=O)([O-])OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=NC6=C(N=CN=C65)N)O)O)O)O
Description: The molecule is a 7-methyl guanosine (m7G) linked via an inverted 5'-5' triphosphate bridge to an adenosine ribonucleotide; major species at pH 7.3.