(6R)-2-amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydro-1H-pteridin-4-one 62989-33-7 27070-47-9 (-)-(6R)-2-Amino-6-((1R,2S)-1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-4(3H)-pteridinone 6R-5,6,7,8-Tetrahydrobiopterin 6R-L-5,6,7,8-Tetrahydrobiopterin Sapropterin Sapropterin [INN] Sapropterina [INN-Spanish] Sapropterinum [INN-Latin] BCBcMAP01_000204 SMP1_000285 (6R,1'R,2'S)-5,6,7,8 TETRAHYDROBIOPTERIN THB