FIELD: chemistry.
SUBSTANCE: invention relates to novel crystalline forms D1 and D2 of R-(R*,R*)]-2-(4-fluorophenyl)-β, δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid, semi-calcium salt, hydrates thereof, which have high stability.
EFFECT: improved methods of producing novel crystalline forms.
15 cl, 4 dwg, 6 tbl, 4 ex
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