00297nam a2200109Ia 4500008004100000082001700041100001800058245004000076250001800116260004400134300000900178240913s9999||||xx |||||||||||||| ||und|| a547.2 CAR/M aW. Carruthers 0aModern methods of organic synthesis a3rd Ed,4th ed bNew Central Book AgencyaCalcuttac1971 a526p