CAS Number: 244206-52-8
Chemical Name: N,N-Didesmethyl Ulipristal
Molecular Formula: C26H31NO3
Molecular Weight: 405.53

CAS Number: 159681-67-1
Chemical Name: N-Desmethyl Ulipristal
Molecular Formula: C27H33NO3
Molecular Weight: 419.56

CAS Number: 159811-51-5
Chemical Name: Ulipristal
Molecular Formula: C28H35NO3
Molecular Weight: 433.58