2-amino-6-((1S,2R)-1,2,3-trihydroxypropyl)-7,8-dihydropteridin-4(3H)-one;2-Amino-7,8-dihydro-6-[(1S,2R)-1,2,3-trihydroxypropyl]-4(3H)-pteridinone; D-Erythro-1-(2-amino-7,8-dihydro-4-hydroxy-6-pteridinyl)-1,2,3-propanetrio; [S-(R*,S*)]-2-Amino-7,8-dihydro-6-(1,2,3-trihydroxypropyl)-4(1H)-pteridinone; 2-Amino-7,8-dihydro-6-[(1S,2R)-1,2,3-trihydroxypropyl]-4(1H)-pteridinone; 2-Amino-4-hydroxy-6-(D-erythro-1,2,3-trihydroxypropyl)-7,8-dihydropteridine; 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