SOLVATES OF A ß-LACTAM ANTIBIOTIC

摘要

The crystalline bis(DMF), dihydrate mono(DMF) and mono(DMF) forms of 7 beta -[2 min -(R)-2 min -phenyl-2 min -aminoacetamido] -3-chloro-3-(1-carbadethiacephem)-4-carboxylic acid (LY163892) are useful intermediates to the monohydrate form of LY163892.