The enol tautomer comprises only the geometric isomer (Z) and it is the only one tautomeric form having relevant pharmacological effects.
Disclosed are compounds of formula (I), a derivative, or a tautomer thereof, or a pharmaceutically acceptable salt of said compound or said tautomer.
Disclosed are compounds of formula (I), a derivative, or a tautomer thereof, or a pharmaceutically acceptable salt of said compound or said tautomer.
Also disclosed are methods of preparing compound of formula (I), a derivative, or a tautomer thereof, or a pharmaceutically acceptable salt of said compound or said tautomer.
The keto tautomer is referred to as the lactam structure, while the enol tautomer is referred to as the lactim structure.
It is a tautomeric compound existing in enolic form in organic solvents, and as a keto form in water.
It is a tautomeric compound existing in enolic form in organic solvents and as a keto form in water.
The invention relates to agents for semi-permanent coloration of keratin fibers based on a combination of non-oxidative colorants and polymethine colorants of tautomeric formula (Ia)/(Ib).
Disclosed herein is a photosensitive composition comprising a heterocyclic thiol compound or tautomeric form thereof and its method of use on a substrate,which may include a chalcophile substrate.
Буйынса 1928, he had deduced and confirmed the structures of maltose, cellobiose, lactose, gentiobiose, melibiose, gentianose, raffinose, as well as the glucoside ring tautomeric structure of aldose sugars.
The present invention provides polymeric compositions comprising an hydrogenated anthraquinone derivative and/or its enol/enolate tautomer.
This compound is an alkyne derivative characterized by being represented by general formula (1), a tautomer or stereoisomer of the alkyne derivative, or a salt of the alkyne derivative or the tautomer or stereoisomer.
The compound of the invention is of Formula (I), or a tautomer (I') thereof, or a pharmaceutically acceptable salt, or solvate of said compound or tautomer thereof, wherein R1, R2, R3, R4, R5 and R6 have defined meanings.
Specifically disclosed is a mononuclear metal complex represented by formula (1), a tautomer thereof, a stereoisomer thereof, or a salt of the mononuclear metal complex, tautomer or stereoisomer.
A tautomer, salt, hydrate, or solvate of the azo pigment is provided.
A lacate salt of a compound of Formula: (I) or a tautomer of the compound, wherein Formula (I) has the following structure and R1-R9 and R12-R14 are as defined herein.
A perylene tetracarboxylic acid bisimide derivative characterized by being represented by chemical formula (I), a tautomer or stereoisomer of the derivative, or a salt of the derivative or the tautomer or stereoisomer.
A: An azo pigment with a specific structure, a tautomer thereof, or a salt or a hydrate thereof.
Disclosed are compounds of the formula (I) or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof.
A compound of Formula (I) or a pharmaceutical acceptable salt thereof, or a tautomer thereof, wherein G1, G2, and B are as defined in the application, are selective inhibitors of MMP-13.
A colored composition containing a compound represented by general formula (I) and/or the tautomer of said compound.
A compound represented by the formula (1): wherein A, B, R1, L1, R2, L2, L3, Y, L4, R3 and X are the same as defined in the description, a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.
The compound is an azo compound represented by formula (1) (1) a tautomer of the same, or a salt thereof.
The present invention relates to a method for the long term treatment of gastrointestinal disorders in a human subject, which comprises administering an effective amount of a halogenated prostaglandin compound and/or its tautomer to the subject.
It is a nucleic acid derivative represented by the following general formula (I) or a tautomer thereof.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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