p-Aminobenzoylhexa-γ-L-glutamic acid, ammonium salt

(6R,S)-5-Formyl-5,6,7,8-tetrahydropteroyltetra-γ-L-glutamic acid, lithium salt

(6R,S)-5-Formyl-5,6,7,8-tetrahydropteroyltri-γ-L-glutamic acid, lithium salt

p-Aminobenzoyltri-γ-L-glutamic acid, ammonium salt

6-羟甲基蝶呤单磷酸

4-AMINO-(6R)-5,6,7,8-TETRAHYDRO-L-BIOPTERIN DIHYDROCHLORIDE

Acetyl-6-formylpterin

p-Aminobenzoyldi-γ-L-glutamic acid, ammonium salt