000 00298nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a615.19
_bCHA
100 _aChaudhary, N C
245 0 _aPharmaceutical chemistry
260 _aNew Delhi
_bVallabh Prakashan
_c1990
300 _a88
942 _2ddc
999 _c25698
_d25698