6-Hydroxymethyl-7,8-dihydropterin-diphosphate

4-Amino-10-methylpteroylpenta-γ-L-glutamic acid, ammonium salt

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

Radioactive compounds

4-Amino-10-methylpteroyldi-γ-L-glutamic acid, ammonium salt

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

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

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