| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e7033fca7c1a042a71a01cf3f189662e |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D239-94 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-94 |
| filingDate |
2019-12-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_63757b7cc3fc10b024ffee8d05794438
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ce6274d2487779024e9714a5f62fcb02 |
| publicationDate |
2020-03-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-110862352-A |
| titleOfInvention |
Preparation method of high-purity erlotinib |
| abstract |
The application belongs to the field of drug synthesis, relates to a preparation method of high-purity erlotinib, and particularly relates to high-purity erlotinib prepared by a recrystallization method. |
| priorityDate |
2019-12-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |