00465nam a2200181Ia 4500003000400000005001700004008004100021020001500062040000700077041000800084082002100092100002300113245007100136260004500207300001200252365001300264440000600277OSt20230327150555.0210423s2008 xx 000 0 und d a8173810419 cAL aeng a547.2 223bKARR aKAR (Ratan Kumar). aFundamentals of organic synthesis: the retrosynthetic analysis.V2. aNew DelhibNew Central Book Agencyc2008 axxi,680 b585cINR v2