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quaternary bisammonium salt

Known as: QBAS cpd 
National Institutes of Health

Papers overview

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2007
2007
Quaternary benzo[c]phenanthridine alkaloids (QBAs) are naturally occurring compounds isolated from plants in the Fumariaceae… 
2005
2005
The vast majority of cholinergically active compounds in general and reversible inhibitors of cholinesterases in particular are…