摘要 |
<p>A compound for therapeutic use, of the formula (I), wherein R1 is aryl or heteroaryl optionally substituted with R5; R2 is H, alkyl or CH2OH or forms part of a ring with R4; R3 is H, alkyl or CH2OH or forms part of a ring with R4; R4 is H, alkyl or (when forming part of a ring with R2 or R3) CH2; and R5 is alkyl, CF3, OH, Oalkyl, OCOalkyl, CONH2, CN, halogen, NH2, NO2, NHCHO, NHCONH2, NHSO2Me, CONH2, or SOMe; or a salt thereof.</p> |