2020375-99-7

(S)-Quinuclidin-3-yl-2-hydroxy-2,2-di(thiophen-2-yl)acetate is an intermediate in the synthesis of (S)-Aclidinium Bromide (A190190) is an isomer of Aclidinium Bromide (A190180) a novel long-acting antimuscarinic bronchodilator in phase II clinical trials for the treatment of chronic obstructive pulmonary disease (1,2).