CAS Number: 58652-20-3
Chemical Name: Nomegestrol Acetate
Molecular Formula: C23H30O4
Molecular Weight: 370.48

CAS Number: 32420-14-7
Chemical Name: 6α-Methyl-3,20-dioxo-19-norpregn-4-en-17-yl Acetate
Molecular Formula: C23H32O4
Molecular Weight: 372.51