<http://webisa.webdatacommons.org/prov/141546618>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/140399764> .
<http://webisa.webdatacommons.org/140399764>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/464017586>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/140399764> .
<http://webisa.webdatacommons.org/140399764>	<http://www.w3.org/ns/prov#value>	"In the general formula (A-1), R1 is a hydrogen atom, an alkyl group" .
<http://webisa.webdatacommons.org/140399764>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .