The invention relates to an administration unit comprising (i) polymorphic Form M of Compound (1), polymorphic Form H of Compound (1), polymorphic Form P of Compound (1), polymorphic Form X of Compound (1), or polymorphic Form ZA of Compound (1) or amorphous form of Compound (1) or (ii) Compound (1) • H2O, Compound (1) • methanol, Compound (1) • ethanol • isopropanol, Compound (1) • acetone, Compound (1) • ethylacetate, Compound (1) • isopropylacetate, Compound (1) • ethylacetate • 2-methyl THF, Compound (1) • ethanol, Compound (1) • n-butylacetate, Compound (1) • heptane, Compound (1) • 2-butanone, or Compound (1) • methylacetate and to a packaging comprising the administration unit according to the invention.
