21,21-difluoro-pregn-4-ene-3,20-dione CAS:1995-21-7 manufacturer & supplier
Description :
Fine Chemicals & Pharmaceutical Intermediates
Synonyms :
21,21-Difluor-pregn-4-en-3,20-dion;(8S,9S,10R,13S,14S,17S)-17-(2,2-Difluoro-acetyl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one;