| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 07.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Conformational isomers of Toluidine blue O (A) - The N-Demethylation deriv of said isomers (B) The ratio of the combined areas of the 254 nm HPLC peaks representing said isomers to the combined areas of the peaks representing (B) > 6:1 |
| PATENT PHOTOCOPY | Available on request |
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