000 00347nam a22001577a 4500
003 OSt
008 210407b ||||| |||| 00| 0 eng d
041 _aE
082 _a547 DHA P
100 _aS.N. DHAWAN
245 _a Pradeep Organic Chemistry
250 _a15TH
260 _aPradeep Pub.
_c2019
300 _a336
942 _2ddc
_cBK
_030
999 _c503184
_d503184