Synonyms: 1,2,3-Propanetriol,1-(2-amino-7,8-dihydro-4-hydroxy-6-pteridinyl)-, D-erythro- (8CI);4(1H)-Pteridinone, 2-amino-7,8-dihydro-6-(1,2,3-trihydroxypropyl)-,[S-(R*,S*)]-; 4(1H)-Pteridinone,2-amino-7,8-dihydro-6-[(1S,2R)-1,2,3-trihydroxypropyl]- (9CI);2-Amino-4-hydroxy-6-(D-erythro-1',2',3'-trihydroxypropyl)-7,8-dihydropteridine;7,8-Dihydro-D-erythro-neopterin; 7,8-Dihydro-D-neopterin; 7,8-Dihydroneopterin;D-erythro-7,8-Dihydroneopterin; Dihydroneopterin; Neopterin, dihydro-