000 00622nam a2200181Ia 4500
008 250114s9999 xx 000 0 und d
040 _aJamia Hamdard
041 _aEnglish
082 _a547.7
_bA39S
100 _aAllen, C.F.H.
245 0 _aSix membered hetrocyclic nitrogen compounds with four condensed rings
_bC.F.H. Allen, collaborated with D.M. Burness and others.
260 _aNew York
_bInterscience publishers
_c1951
300 _axiii, 345p.
505 _aContents: v.2 The chemistry of hetrocyclic compounds.
650 _aChemistry, Organic
_bOrganic compounds.
700 _aBurness, D.M.
942 _cBK
999 _c98333
_d98333