00321nam a2200121Ia 4500008004100000041000800041082001900049100002300068245003900091260002800130300000800158650003300166230516s1991    xx            000 0 und d  aeng  a615.19/HAR/KAP  aHarkishan / Chawla  aOrganic Chemistry an Intruduction   bVALLABH PRAKASHANc1991  a167  aPHARMACEUTICAL CHEMISTRY- II