C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/242.3
C07D 473/18 (2006.01) C07D 473/00 (2006.01)
Patent
CA 1109871
Purine Derivatives Abstract of the Disclosure Purine derivatives of the formula Image wherein R is C1-C6 alkyl and R1 is Image or Image and their pharmaceutically acceptable acid addition salts are non-adrenergic bronchodilators.
327184
Naito Takayuki
Nakagawa Susumu
Okita Taka-Aki
Tetsuro Yamasaki
Yamashita Haruhiro
Bristol-Myers Squibb Company
Gowling Lafleur Henderson Llp
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