000 00355nam a2200145Ia 4500
008 211115s9999 xx 000 0 und d
041 _aeng
082 _aE6
_bQ9
100 _aSylvn, Morris,
245 0 _aHeterocyclic compounds
_cby Morris Sylvin
250 _a1st ed.
260 _aNew Delhi:
_bKaran Paperbacks,
_c2019
300 _a93p.
942 _cTB
999 _c79326
_d79326