Smallpox

Formula :

An acute, highly contagious, often fatal infectious disease caused by an orthopoxvirus characterized by a biphasic febrile course and distinctive progressive skin eruptions. Vaccination has succeeded in eradicating smallpox worldwide. (Dorland, 28th ed)

Smardaesidin A

Formula : C20-H28-O6
CAS : 1345018-51-0 

From Smardaea sp., a fungal endophyte of the moss Ceratodon purpureus.