Assertion: prostaglandin | /r/HasAspect | two hydroxyl groups
Facets:
value: in the cyclopentanone ring
type: LOCATION
Source sentences:
text: For example, in prostaglandin F 2α (PGF 2α ), the F indicates that the prostaglandin has two hydroxyl groups in the cyclopentanone ring (F series), the 2 indicates that it has two double bonds, and the α indicates that its hydroxyl grouping at carbon 9 is in the α configuration.