[Studies on the syntheses of heterocyclic compounds. DCCLXXVI. Cyclization reaction of N-substituted mandelohydrazide with formaldehyde (author's transl)].
D003500:Cyclization; D005557:Formaldehyde; D006571:Heterocyclic Compounds / Q000138:chemical synthesis; D006834:Hydrazines
D006571:Heterocyclic Compounds; D006834:Hydrazines; D005557:Formaldehyde