Assertion: tartaric acid's use | /r/CapableOf | compare omeprazole
Facets:
value: for a stereospecific reagent
type: PURPOSE
Source sentences:
text: However, sometimes samples containing pure enantiomers may be made and sold at a higher cost in cases where the use requires specifically one isomer (e.g., for a stereospecific reagent); compare omeprazole and esomeprazole.