2,9-Disubstituted adenine derivatives and their use as non-adrenergic
申请人:Bristol-Myers Company
公开号:US04172829A1
公开(公告)日:1979-10-30
Purine derivatives of the formula ##STR1## wherein R is C.sub.1 -C.sub.6 alkyl and R.sub.1 is ##STR2## OR ##STR3## AND THEIR PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS ARE NON-ADRENERGIC BRONCHODILATORS.
Purine derivatives of the formula ##STR1## wherein R is C.sub.1 -C.sub.6 alkyl and R.sub.1 is ##STR2## and their pharmaceutically acceptable acid addition salts are non-adrenergic bronchodilators.