Rodd's Chemistry of Carbon Compounds Vol.4 : Heterocyclic Compounds. Part H Six-Membered Heterocyclic Compounds With (A) a Nitrogen Atom Common to Two or More Fused Rings (B) One Hetero-Atom in Each of Two Fused Rings. Six-Membered Ring Compounds With Two Hetero-Atoms from Groups VI B, or V B and VI B of the Periodic Table, Respectively. Isoquinoline, Lupinane and Quinolizidine Alkaloids A Modern Comprehensive Treatise