000			00741cam a2200205 4500
001			000522841
005			20170506235515.0
008			701102s1951 nyu b 001 0 eng
040			_aDLC _cDLC _dDLC
041			_aeng
082	0	0	_a547.85
100	1		_aAllen, C. F. H. _g(Charles Francis Hitchcock), _d1895-
245	1	0	_aSix-membered heterocyclic nitrogen compounds with four condensed rings / _cC. F. H. Allen, in collaboration with D. M. Burness and others.
260			_aNew York : _bInterscience Publishers, _c1951.
300			_axiii, 345 p. ; _c24 cm.
440		4	_aThe Chemistry of heterocyclic compounds _vv. 2
504			_aIncludes bibliographies.
650		0	_aOrganonitrogen compounds.
650		0	_aHeterocyclic compounds.
999			_c452858 _d452858