00457nam a22001457i 4500001001000000005001700010008004100027082002200068100002300090245007600113250001100189260003600200300001700236650005800253SXC01642820260819093614.0260101s1974    ii            000 0 eng d  a547.5 TSO-B.2222  aTso, Paul O P, Ed.10aBasic principles in nucleic acid chemistry, Vol.1 /cTso, Paul O P, Ed.  a99 ed.  abAcademic Press, London,c1974  ap. ;c22 cm. 0aAlicyclic & heterocyclic compounds; Organic chemistry