4-desoxy-4-epipodophyllotoxin derivative or pharmaceutically acceptable salt thereof
US5571914A · kind A · utility
6Cited by
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3Claims
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Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Nov 5, 1996 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A 4-desoxy-4-epipodophyllotoxin derivative of the following formula ##STR1## wherein R and R.sub.1 are as defined in the specification or a pharmaceutically acceptable salt thereof as well as an antitumor composition comprising such derivative or salt as an active ingredient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.