| 摘要 |
Compounds of formula (I) <IMAGE> (I) [wherein R1 represents a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms and R2 represents a hydrogen atom, an alkyl group having from 1 to 6 carbon atoms or a group of formula II <IMAGE> (II) in which R1 is as defined above] and pharmaceutical compositions thereof may be administered to humans or warm-blooded animals to combat toxic proteins or peptides, e.g. venoms, fungal toxins and bacterial exotoxins, in the bloodstream. |
