00266nam a2200097Ia 4500008004100000100001600041245003600057260003500093650002200128700001800150190829s9999||||xx |||||||||||||| ||und||  aTewari, K.S 2aA Textbook of Organic Chemistry  bVikas PublicationaDelhic2002  aOrganic Chemistry  aMehrotra, S.N