CRYSTALLIZATION PROCESS OF THE D-SESQUISODIUM SAL OF THE OXA-BETA-LACTAM ANTIBIOTIC DIACID
摘要
The crystalline D-sesquisodium salt of the diacid of the formula <IMAGE> and process for its preparation via acetone dilution of an aqueous solution of non-crystalline D,L-diacid and D,L-disodium salt.
