01000cam a22002651 4500 2638747 BD-DhUL 20141028122352.0 840319s1958 nyua b 000 0 eng 59012437 DLC/ICU ICU DLC BD-DhUL QD401 .A43 547.59 ALS Allen, C. F. H. (Charles Francis Hitchcock), 1895-1979. Six-membered heterocyclic nitrogen compounds with three condensed rings / C.F.H. Allen ; in collaboration with G.M. Badger ... [ et al. ]. New York : Interscience Publishers, 1958. xxii, 624 p. : ill. ; 24 cm. The Chemistry of heterocyclic compounds ; v. 12 Includes bibliographical references and index. Organonitrogen compounds. Heterocyclic compounds. Chemistry of heterocyclic compounds ; v. 12. 7 cbc orignew u ocip 19 y-gencatlg ddc BK 16758 16758 0 0 ddc 0 547_590000000000000_ALS 0 NFIC 31639 DUSL DUSL GEN 1973-06-30 Gift 547.59 ALS A101052 2014-10-28 2014-10-28 BK