C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/242.3
C07D 473/34 (2006.01) C07D 473/00 (2006.01)
Patent
CA 1101855
PURINE DERIVATIVES Abstract of the Disclosure Novel purine derivatives of the formula: Image wherein R1 is hydrogen or alkyl of 1 to 3 carbon atoms, R2 is alkyl of 1 to 3 carbon atoms or allyl, and R3 and R4, respectively, mean halogen, and their acid addition salts are provided. These compounds have anticoccidial activity and are useful for treating caecal and/or intestinal coccidiosis in poultry and domestic animals.
309813
Imai Kin-Ichi
Matsuno Toshimi
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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