000 00338nam a22001337a 4500
020 _a9789381759509
082 _a547.59
_bSYL/H
100 _aSylvin,Morris
245 _aHeterocyclic Compounds/
_cby Morris Sylvin
260 _aNew Delhi:
_bKaran Paperbacks,
_c2019.
300 _a93p.
650 _aHeterocyclic compounds
942 _cBK
999 _c661360
_d661360