HETEROCYCLE NOMENCLATURE Article Count:  7

HETEROCYCLES - AROMATICITY Article Count:  6

SYNTHESIS OF HETEROCYCLES (I) Article Count:  7

PYRIDINE THEORY Article Count:  14

INDOL THEORY Article Count:  8

DIAZINES THEORY Article Count:  1

HETEROCYCLES OF 3, 4 AND 7 MEMBERS Article Count:  4