- 1. The Chemistry of Heterocyclic Compounds, Nitrogen with Four Rings (тип: электронная)
- 2. The Chemistry of Heterocyclic Compounds, Six Membered Heterocyclic Nitrogen Compounds with Three Condensed Rings (тип: электронная)
- 3. The Chemistry of Heterocyclic Compounds, Nitrogen with Four Rings (тип: электронная)
- 1. The Chemistry of Heterocyclic Compounds, Nitrogen with Four Rings (тип: электронная)
- 2. The Chemistry of Heterocyclic Compounds, Six Membered Heterocyclic Nitrogen Compounds with Three Condensed Rings (тип: электронная)
- 3. The Chemistry of Heterocyclic Compounds, Nitrogen with Four Rings (тип: электронная)
- 1. The Chemistry of Heterocyclic Compounds, Nitrogen with Four Rings (тип: электронная)
- 2. The Chemistry of Heterocyclic Compounds, Six Membered Heterocyclic Nitrogen Compounds with Three Condensed Rings (тип: электронная)
- 3. The Chemistry of Heterocyclic Compounds, Nitrogen with Four Rings (тип: электронная)