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Merck and Co Inc
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Merck and Co Inc
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Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
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Publication of FR1003891ApublicationCriticalpatent/FR1003891A/fr
A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K31/00—Medicinal preparations containing organic active ingredients
A61K31/33—Heterocyclic compounds
A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
A61K31/51—Thiamines, e.g. vitamin B1
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FR1003891D1947-08-061948-07-27Perfectionnements aux procédés de préparation de sels de vitamine beta1 et produits obtenus par ce procédé
ExpiredFR1003891A
(fr)