000 00387nam a2200181Ia 4500
008 240301s9999 xx 000 0 und d
020 _a9789393159762
082 _a547.59
082 _bBAN
100 _aBansal, R. K.
245 0 _aHeterocyclic chemistry
250 _a7th
260 _aNew Delhi
260 _bNew Age
260 _c2023
300 _axiv, 380
942 _cBK
999 _c185987
_d185987