The sophocarpine or the medicinal salt of sophocarpine has antibacterial action against adenovirus.

This invention relates to novel compounds having the structural Formula I below: and their pharmaceutically acceptable salts or tautomers, compositions and methods of use thereof.

The present invention relates to compounds of formula (I) wherein R1 is hydrogen, lower alkyl or benzyl which may be optionally substituted by halogen or lower alkoxy;