00349nam a2200109Ia 4500008004100000082001500041100002100056245003700077260003500114630003500149650005500184211118s9999||||xx |||||||||||||| ||und|| a547bSIN-O aSingh, Harkishan 0aOrganic Pharmaceutical Chemistry bVallabh PrakashanaDelhic2000 xorganic chemistryGeneral Stack asciencevnatural sciences and mathematicsChemistry