Neopterin |
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| Monapterin; Neopterin, (R*, R*)-Isomer; Neopterin, (erythro-D)-Isomer; Neopterin, (erythro-L)-Isomer; Neopterin, (threo-D)-Isomer; Neopterin, (threo-L)-Isomer; Umanopterin | |
| A pteridine derivative present in body fluids; elevated levels result from immune system activation, malignant disease, allograft rejection, and viral infections. (From Stedman, 26th ed) Neopterin also serves as a precursor in the biosynthesis of biopterin. | |