The invention provides an acid addition salt of a compound of the formula (1) Also provided by the invention are processes for preparing the compound of formula (1) and alkyl analogues thereof, novel intermediates for use in the process and methods for preparing the intermediates. The invention also provides new medical uses of compounds of the formula (1) and its ethyl analogue.
本发明提供了一种化合物的酸加成盐,该化合物的
化学式为(1)。本发明还提供了制备化合物(1)及其烷基类似物的方法,用于该过程的新型中间体以及制备中间体的方法。本发明还提供了化合物(1)及其乙基类似物的新医疗用途。