Assertion: impurity | /r/HasSubevent | product’s temporary withdrawal
Facets:
value: in europe
type: LOCATION
value: during 2007
type: TEMPORAL
Source sentences:
text: A recent example of this approach applies to EMS (ethyl methanesulfonate – present in the ethanolcontaminated reagent methanesulfonic acid), which was identified as an impurity in Viracept (nelfinavir mesylate) leading to the product’s temporary withdrawal in Europe during 2007 .