http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108409752-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D498-22 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D498-22 |
| filingDate | 2018-06-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-01-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-01-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108409752-B |
| titleOfInvention | Method for extracting and separating picrinine |
| abstract | The invention discloses a method for extracting and separating picrinine, which takes alstonia-leaf as a raw material and adopts the technical processes of acid water extraction, chloroform extraction, resin column chromatography separation, silica gel column chromatography separation, recrystallization and the like to prepare a product with the content of more than 98 percent. |
| priorityDate | 2018-06-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 49.