????? ??????? 2-???-4-?????? 6,9-Difluoro-11,16,17,21-tetrahydroxypregna-1,4-diene-3,20-dione 21-acetate ???? ?? 3-Methyl-7-phenyl-6-oxa-3-azabicyclo[6.4.0]dodeca-8,10,12-triene 2-????-3-(4-?????)-2-???? 6alpha,9-difluoro-11beta,21-dihydroxypregna-1,4,16-triene-3,20-dione 21-acetate Ambroxide DIFENZOQUAT METHYLSULFATE ??????IMP.A(?????):(2-?????)?????? 3-???-2-?????? N-Acetyl-3,5-diiodo-L-tyrosine ethyl ester ???? ???? ???????? 1,10-???? ?????????????? ????? ??4-(2-??????)????? ????-1,3,5(10),16-????-3,17-???????? ?????? 16,17-Epoxy-3,17-dihydroxyestra-1,3,5(10)-triene-3,17-diacetate ??? 2-???-5-???-4-??????? ???????? 2-Chlorotrityl chloride