SMILES: C1CC\\2=NC1C3CCC(=N3)/C=C\\4/CCC(=N4)/C=C\\5/CC/C(=C2)/N5
Description: The molecule is a tetrapyrrole fundamental parent that is the core macrocycle of vitamin B12. It has a role as a cofactor. It is a member of corrins and a tetrapyrrole fundamental parent.