Owner Nippon Kayaku Kabushiki Kaisha

Inventors Okamoto, Kazuya; Kitagawa, Masayuki

Agent Davies Collison Cave

Pub. Number AU-B-2003280592

PCT Number PCT/JP03/13838

PCT Pub. Number WO2004/039869

Priority 2002-316942 31.10.02 JP

Filing date 29 October 2003

Wipo publication date 25 May 2004

Acceptance publication date 18 December 2008

C07D 491/22 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

A61K 31/4745 (2006.01)

A61K 47/48 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates

A61P 35/00 (2006.01) Antineoplastic agents

A61P 43/00 (2006.01) Drugs for specific purposes, not provided for in groups

C08G 81/00 (2006.01) Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers