| 摘要 |
<p>Compounds of formula …<CHEM>… in which either R1 and R2 are independently hydrogen, fluorine, chlorine, alkyl or alkoxy of 1 to 4 carbon atoms, or trifluoromethyl,… or R1 is -(CH2)nN(R7)(R8), in which R7 and R8 are independently hydrogen, methyl or ethyl, and n is 0 or 1,… and R2 is hydrogen,… and R3, R4, R5 and R6 are independently methyl or ethyl,… in free base or acid addition salt form, their production and use as muscle relaxants.</p> |
