CAS Number: 57-47-6
Chemical Name: Physostigmine
Molecular Formula: C15H21N3O2
Molecular Weight: 275.35

CAS Number: 64-47-1
Chemical Name: Physostigmine Hemisulfate
Molecular Formula: C30H44N6O8S
Molecular Weight: 648.77

CAS Number: 1217704-11-4
Chemical Name: Physostigmine-d3
Molecular Formula: C15H18D3N3O2
Molecular Weight: 278.36