The present invention relates to novel crystalline Form A of 17α-acetoxy-21-methoxy-11&bgr;-[4-N,N-dimethylaminophenyl]-19-norpregna-4,9-diene-3,20-dione, (also known as CDB-4124) and methods for the preparation of it in excellent purity.
申请公布号
US2012077791(A1)
申请公布日期
2012.03.29
申请号
US201013256914
申请日期
2010.03.22
申请人
SANTA CSABA;DEMETER ADAM;HAVASI BALAZS;MAHO SANDOR
发明人
SANTA CSABA;DEMETER ADAM;HAVASI BALAZS;MAHO SANDOR
