SMILES: C1[C@@H](OP(=O)(O1)O)[C@H](C2=NC3=C(NC2)N=C(NC3=O)N)O
Description: The molecule is the 2',3'-cyclic phosphate derivative of 7,8-dihydro-D-neopterin. It is a pterin phosphate, a member of neopterins and a dihydropterin. It derives from a 7,8-dihydroneopterin. It is a conjugate acid of a 7,8-dihydro-D-neopterin 2',3'-cyclic phosphate(1-).