6a,9a-difluoro-11p,16a,17a,21-tetrahydroksypregn-4-eno-3,20-dion, cykliczny ( R )-16,17-acetal z aldehydem masłowym; 16α,17α-[(1 R )-butylidenobis(oksy)]-6α,9α-difluoro-11β,21-dihydroksypregn-4-eno-3,20-dion
(4a S , 4b R , 5 S , 6a S , 6b S , 8 R , 9a R , 10a S , 10b S , 12 S ) -4b, 12-difluoro-6b-glycoloyl-5-hydroksy-4a, 6a- dimetylo-8-propylo-3,4,4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-tetradekahydro- 2H- nafto[2',1':4,5 ]indeno[1,2-d][1,3]dioksol-2-on