378-61-0 6-Fluoro-17,21-dihydroxy-16-methylpregna-4,9(11)-diene-3,20-dione 6alpha-Fluoro-17,21-dihydroxy-16beta-methylpregna-4,9(11)-diene-3,20-dione Pregna-4,9(11)-diene-3,20-dione, 6-fluoro-17,21-dihydroxy-16-methyl-, (6alpha,16alpha)- U 42129 U 72745G U-42129 U-72,745G U-72745G