CAS Number: 1207067-06-8
Chemical Name: 2-(2-Hydroxy-2,2-di(thiophen-2-yl)acetoxy)-2,2-di(thiophen-2-yl)acetic Acid
Molecular Formula: C20H14O5S4
Molecular Weight: 462.57

CAS Number: 320345-99-1
Chemical Name: Aclidinium Bromide
Molecular Formula: C26H30BrNO4S2
Molecular Weight: 564.5