Synonyms: 1,2,3-Propanetriol,1-(2-amino-4-hydroxy-6-pteridinyl)-, D-threo- (8CI); 4(1H)-Pteridinone, 2-amino-6-(1,2,3-trihydroxypropyl)-,[R-(R*,R*)]-; 4(1H)-Pteridinone, 2-amino-6-[(1R,2R)-1,2,3-trihydroxypropyl]-(9CI); 4(3H)-Pteridinone, 2-amino-6-(D-threo-trihydroxypropyl)- (7CI);6-D-threo-Monapterin; D-(-)-Monapterin; D-6-(threo-1',2',3'-Trihydroxypropyl)pterin;D-Monapterin; D-threo-Monapterin; D-threo-Neopterin; Monapterin; Monapterin,D-(-)-; Umanopterin