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| Number | Title | Issue Date |
| 7148350 | Compounds in the form of homodimeric or heterodimeric pro-drugs; process for obtaining these pro-drugs and their acceptable pharmaceutical salts and use of compounds in the treatment of phosphodiesterases-mediated diseases or dysfunction The present invention describes new homo or heterodimer prodrugs wherein both active monomeric units are compounds of the formula: where R1 and R2 are each independently —H, —C1–C... | 12/12/2006 |
