title: Diastereoisomers of formaldehyde derivatives of tetrahydrofolic acid and tetrahydroaminopterin.
mesh_terms: D000630:Aminopterin / Q000494:pharmacology*; D000818:Animals; D001419:Bacteria / Q000187:drug effects* / Q000254:growth & development; D002247:Carbon Isotopes; D002482:Cellulose; D002852:Chromatography, Ion Exchange; D003864:Depression, Chemical; D004357:Drug Synergism; D004926:Escherichia coli / Q000201:enzymology; D005492:Folic Acid / Q000494:pharmacology*; D005493:Folic Acid Antagonists / Q000494:pharmacology*; D005557:Formaldehyde / Q000494:pharmacology*; D005971:Glutamates; D008025:Ligases / Q000037:antagonists & inhibitors*; D051379:Mice; D009374:Neoplasms, Experimental / Q000201:enzymology; D009711:Nucleotides; D010376:Pediococcus / Q000187:drug effects / Q000254:growth & development; D013237:Stereoisomerism; D013291:Streptococcus / Q000187:drug effects / Q000254:growth & development
chemical_list: D002247:Carbon Isotopes; D005493:Folic Acid Antagonists; D005971:Glutamates; D009711:Nucleotides; D005557:Formaldehyde; D002482:Cellulose; D005492:Folic Acid; D008025:Ligases; D000630:Aminopterin