CAS Number: 52-76-6
Chemical Name: Lynestrenol
Molecular Formula: C20H28O
Molecular Weight: 284.44

CAS Number: NA
Chemical Name: 19-Nor-5α,17α-pregn-3-en-20-yn-17-ol
Molecular Formula: C20H28O
Molecular Weight: 284.44

CAS Number: 58311-09-4
Chemical Name: 19-Norpregn-4-en-20-yn-17-ol
Molecular Formula: C20H28O
Molecular Weight: 284.44

CAS Number: 5225-38-7
Chemical Name: 19-nor-17α-pregna-4,20-dien-17-ol
Molecular Formula: C20H30O
Molecular Weight: 286.46