Gupta, R.R. Heterocyclic Chemistry; Vol.2 - New Delhi: Springer, 2013. - x, 638p. 1. Five Membered Heterocycles with One Heteroatom2. Benzo-Fused Five-Membered Heterocycles with One Heteroatom ISBN: 9788181282217 Subjects--Topical Terms: Chemistry--Heterocyclic Dewey Class. No.: 557.59 / GUP/H