| abstract |
The present invention relates to a 2-aminopurine acyclonucleoside derivative represented by the following formula (1) having an antiviral activity, a pharmaceutically acceptable salt thereof, a preparation method thereof, and a pharmaceutical composition containing the same as an active ingredient.n n n n n n n n n n n n n n n In the general formula 1: R 1 is an alkoxy group of C 1 ~C 6 alkyl group or a C 1 ~C 6; R 2 represents an alkyl group of C 1 ~C 6. |