SEARCH Articles Figures Tables 5,10-Methenyl-tetrahydrofolates 5.10- Methenyl-5,6,7,8-tetrahydrofolic acid Chloride dihydrate Dihydrate) Dihydrates Hydrochloride dihydrate Methenyl tetrahydrofolate Methenylation Tetrahydrofolate Tetrahydrofolates Tetrahydrofolic acid