title: [Condensation with hydrazine-N,N'-dicarboxylic acid diamidine. 4. Parent compounds and ethyl derivatives of 3-amino-s-triazolo(4,3-a)pyrimidines and 2-amino-s-- triazolo(1,5-a)pyrimidines].
mesh_terms: D000578:Amidines; D003460:Crystallization; D003998:Dicarboxylic Acids; D006834:Hydrazines; D011743:Pyrimidines / Q000138:chemical synthesis*; D013053:Spectrophotometry; D014230:Triazoles / Q000138:chemical synthesis; D014508:Urea / Q000138:chemical synthesis
chemical_list: D000578:Amidines; D003998:Dicarboxylic Acids; D006834:Hydrazines; D011743:Pyrimidines; D014230:Triazoles; D014508:Urea
vernacular_title: Kondensationen mit Hydrazin-N,N'-dicarbonsäurediamidin. 4. Stammverbindungen und Athylderivate der 3-Amino-s-triazolo(4,3-a)pyrimidine und 2-Amino-s-triazolo(1,5-a)pyrimidine.