Synonyms: 1,2,3-Propanetriol,1-(2-amino-4-hydroxy-6-pteridinyl)-, D-erythro- (8CI); 4(1H)-Pteridinone, 2-amino-6-(1,2,3-trihydroxypropyl)-,[S-(R*,S*)]-; 4(1H)-Pteridinone, 2-amino-6-[(1S,2R)-1,2,3-trihydroxypropyl]-(9CI); Neopterin (7CI); 2-Amino-4-hydroxy-6-(1,2,3-trihydroxypropyl)pteridine;2-Amino-6-((1S,2R)-1,2,3-trihydroxypropyl)-4(8H)-pteridone; 6-(D-erythro-1,2,3-Trihydroxypropyl)pterin;6-D-erythro-Neopterin; D-(+)-Neopterin; D-Neopterin; D-erythro-Neopterin