000 00338nam a2200157Ia 4500
001 72370
008 240126s9999||||xx |||||||||||||| ||und||
082 _a547.59 HET
245 0 _aHeterocycle Compounds
250 _a6th Edition
260 _aMeerut
260 _bPragati Prakashan
260 _c2021
300 _a352p.
942 _cBK
999 _c72370
_d72370