flumedroxone flumedroxone flumedroxone is a steroidal progestogen of the 17α-hydroxyprogesterone group that was never marketed. the c17α acetate ester of flumedroxone, flumedroxone acetate, has been marketed as an antimigraine drug. this article is about a non-clinically used progesterone derivative. for the pharmaceutical drug, see flumedroxone acetate. flumedroxoneclinical dataother names17α-hydroxy-6α-(trifluoromethyl)pregn-4-ene-3,20-dione; 6α-trifluoromethyl-17α-hydroxyprogesteroneidentifiers iupac name (2r,8s,14s,15s)-14-acetyl-14-hydroxy-2,15-dimethyl-8-(trifluoromethyl)tetracycloheptadec-6-en-5-one cas number15687-21-5 yacetate salt: 987-18-8 ypubchem cid71881chemspider16736667uniik80185f39xacetate salt: s0s93ek936 ychemblchembl2104932comptox dashboard (epa)dtxsid40905080 chemical and physical dataformulac22h29f3o3molar mass398.466 g·mol−13d model (jsmol)interactive image smiles cc(=o)1(cc21(cc32c(c4=cc(=o)cc34c)c(f)(f)f)c)o inchi inchi=1s/c22h29f3o3/c1-12(26)21(28)9-6-16-14-11-18(22(23,24)25)17-10-13(27)4-7-19(17,2)15(14)5-8-20(16,21)3/h10,14-16,18,28h,4-9,11h2,1-3h3/t14-,15+,16+,18+,19-,20+,21+/m1/s1key:cdzjobwkhsynmo-scuqkffvsa-n (verify)