The present invention relates to terfenadine derivatives of formula
where R₁, which is in position 1 or 2 of the tetrazole ring, stands for H, or a linear or branched alkyl group containing from 1 to 6 carbon atoms; R₂ and R₃, different from one another, are selected between H and OH, and their pharmaceutically acceptable salts.
本发明涉及公式的
苯噻啶衍
生物,其中R₁位于
四唑环的1或2位置,代表H或含有1至6个碳原子的线性或支链烷基;R₂和R₃彼此不同,可选择H或OH,以及它们的药学上可接受的盐。