C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 477/00 (2006.01) A61K 31/40 (2006.01) C07D 207/16 (2006.01) C07D 403/12 (2006.01) C07D 405/12 (2006.01) C07D 477/20 (2006.01) C07F 7/10 (2006.01) C07F 9/547 (2006.01) C07F 9/568 (2006.01)
Patent
CA 2107675
The present invention provides a compound of formula (1) wherein: R1 is I- hydroxyethyl, 1-fluoroethyl or hydroxyme- thyl; R2 is hydrogen or C1-4alkyl; R3 and R4 are ortho with respect to one another wherein R3 and R4 are independently hy- droxy or in vivo hydrolysable esters thereof; the benzene ring being optionally further substituted; or a pharmaceutically accept- able salt or in vivo hydrolysable ester thereof.
Betts Michael J.
Breault Gloria A.
Smart & Biggar
Zeneca Limited
Zeneca-Pharma Sa
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