C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/231, 260/271
C07D 471/04 (2006.01) A61K 31/435 (2006.01)
Patent
CA 2033937
The invention relates to a novel crystalline form, containing water of crystallisation, of 4-(5,6,7,8-tetrahydroimidazo[1,5-a]pyridin-5-yl)-benzonitrile hydrochloride of formula Ia (see formula I) and to a process for the preparation thereof. The novel crystalline form is distinguished by excellent storage stability.
Ag Ciba-Geigy
Fetherstonhaugh & Co.
Novartis Ag
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