| 摘要 |
Compounds of formula <IMAGE> [wherein R1 and R2 are the same or different and each represent unsubstituted or mono- or poly-substituted aryl or heteroaryl; R3 represents unsubstituted or mono- or poly-substituted alkyl, cycloalkyl, aryl, or heteroaryl; or cycloalkyl, aryl or heteroaryl condensed with a benzene ring; or alkoxy; and X represents CH or N; whereby when R3 represents methyl and R1 and R2 represent phenyl at least one of said phenyls must be substituted,] in free form or in acid addition salt form are indicated for use as pharmaceuticals in particular as aromatase inhibitors. |
