Adverse effects
Drug effects
Parabens
Sulphites
Routes of administration
Intrathecal
Epidural
Inhalation
IV paracetamol and dantrolene has a lot of mannitol, due to poor solubility
Tautomers
Simple movement of hydrogen
keto-enol tautomerisation
e.g. thiopentone
diastereoisomers (geometric)
cis, trans