WO/2008/075376 is referenced by 4 patents.

The present invention relates to two novel and stable polymorphic forms, namely Form I and Form II of bortezomib (1) and processes for the preparation of these forms. Bortezomib is an anti-neoplastic agent used in the treatment of multiple myeloma.

Title
Polymorphic forms of bortezomib and process for their preparation
Application Number
PCT/IN2007/000561
Publication Number
2008/075376
Application Date
December 3, 2007
Publication Date
June 26, 2008
Inventor
Chowdary Nannapaneni
Benkaiah
Satya Bhujanga Rao
Adibatla Kali
Reddy Muddasani
Pulla
Ravi Janaki Rama Rao
Assignee
Chowdary Nannapaneni
Benkaiah
Satya Bhujanga Rao
Adibatla Kali
Reddy Muddasani
Pulla
Ravi Janaki Rama Rao
Natco Pharma
IPC
A61K 31/69
C07F 05/02
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