<unk>  is highly toxic because it interferes with cholinergic neurotransmission. The LD50 of<unk>  for mice is about<unk> 5 μg.
Hemicholinium-3
Methitural
Gantacurium chloride
Mivacurium chloride
Dianethole
Phenylsilatrane
Malaoxon
Selenium disulfide