547.59
  Eld
  H
          Elderfield, Robert Cooley, 1904 - ed . Heterocyclic compounds . (Ficha 2) pyrrole ; polycyclic systems with one nitrogen common to both rings ; pyrindine and related compounds . - t . 4 . Quinoline, isoquinoline, and their benzo derivatives . - t . 5 . Five-membered heterocycles containing two hetero atoms and their . benzo derivatives . - t . 6 . Six-membered heterocycles containing two hetero atoms and their benzo derivatives .- t . 7 . Polyclic com- ( Continua ficha 3 )