| 摘要 |
The potassium, sodium, ammonium, lysine, diethylamine, tromethamine (TRIS), piperazine, ethylenediamine and ethanolamine salt of a compound of general formula (I): wherein R1 is halo or cyano; R2 is C1-C4 alkyl; and R3 is quinolyl or phenyl substituted with methane sulfonyl; can be synthesised by a novel method and are substantially more soluble than the parent free acids in a range of solvents.
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