| 摘要 |
The invention relates to compounds of the formula IN WHICH R represents the hydrogen atom, the fluorine atom, the bromine atom, a lower C1-C5 alkyl group, a lower C1-C5 alkoxy group, and R1 represents the hydrogen atom, a lower C1-C5-alkyl group, an alkynyl group with at most 5 carbon atoms; an alkenyl group with at most 5 carbon atoms, a lower C1-C5 hydroxy alkyl group or an aralkyl group whose aromatic radical is capable of substitution, and to their acid addition salts as new industrial products. |
