CAS Number: 3521-62-8
Chemical Name: Erythromycin Estolate
Molecular Formula: C52H97NO18S
Molecular Weight: 1056.39

CAS Number: 41451-91-6
Chemical Name: Erythromycin E
Molecular Formula: C37H65NO14
Molecular Weight: 747.91

CAS Number: 23893-13-2
Chemical Name: Anhydro Erythromycin A
Molecular Formula: C37H65NO12
Molecular Weight: 715.91

CAS Number: 105882-69-7
Chemical Name: Pseudoerythromycin A Enol Ether
Molecular Formula: C37H65NO12
Molecular Weight: 715.91

CAS Number: 147702-49-6
Chemical Name: N-Desmethyl-N-propanoylerythromycin A
Molecular Formula: C39H69NO14
Molecular Weight: 775.96