Assertion: guanine's form | /r/Synonym | pyranose
Facets:
value: respectively
type: MANNER
value: by analogy with furan and pyran
type: OTHER
Source sentences:
text: These forms are called furanoses and pyranoses, respectively—by analogy with furan and pyran, the simplest compounds with the same carbon-oxygen ring (although they lack the carbon-carbon double bonds of these two molecules).