Chemical Name: (2S,5R,6R)-6-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide
Synonym: Ipratropium Bromide USP Related Compound A
Smile: O=C(N[C@@]1([H])[C@@]([H])(S(C(C)(C)[C@@H]2C(O)=O)=O)N2C1=O)[C@H](N)C3=CC=C(O)C=C3