000 00446pam a2200157a 44500
008 160408b1980 xxu||||| |||| 00| 0 eng d
082 _a547.593
_bH943
100 _aHurst, Derek T.
245 1 _aINTRODUCTION TO THE CHEMISTRY AND BIOCHEMISTRY OF PYRIMIDINES, PURINES, AND PTERIDINES
260 _aChichester
_bJohn Wiley
_c1980
300 _aviii,266
650 _aPyrimidines
650 _aPurines
964 _gCIRC
997 _aA66546 C
999 _c297653
_d297653