CAS Number: 869113-10-0
Chemical Name: 1-Benzyl-4-(hydroxydiphenylmethyl)quinuclidin-1-ium Bromide
Molecular Formula: C27H30BrNO
Molecular Weight: 464.45

CAS Number: 869112-31-2
Chemical Name: 4-(Hydroxydiphenylmethyl)-1-(2-hydroxyethyl)quinuclidin-1-ium Bromide
Molecular Formula: C22H28BrNO2
Molecular Weight: 418.38

CAS Number: 869113-09-7
Chemical Name: Umeclidinium Bromide
Molecular Formula: C29H34BrNO2
Molecular Weight: 508.49