CAS Number: 518-28-5
Chemical Name: Podophyllotoxin
Molecular Formula: C22H22O8
Molecular Weight: 414.41

CAS Number: 6559-91-7
Chemical Name: 4'-Desmethylepipodophyllotoxin
Molecular Formula: C21H20O8
Molecular Weight: 400.38

CAS Number: 477-49-6
Chemical Name: (5aR,8aR,9R)-9-(3,4,5-Trimethoxyphenyl)-5a,6,8a,9-tetrahydrofuro[3′,4′:6,7]naphtho[2,3- d][1,3]dioxole-5,8-dione
Molecular Formula: C22H20O8
Molecular Weight: 412.39