| 摘要 |
<p>Pyrazolium alkyl sulfate is new. Pyrazolium alkyl sulfate of formula (I) is new. R1>H, 1-6C alkyl or phenyl, substituted by halo or 1-3 groups of 1-4C-(halo)alkyl or 1-4C-(halo)alkoxy; R2>H or 1-6C-alkyl; R3>-R5>H, 1-6C-(halo)alkyl or 1-6C-alkoxy; and R6>1-6C-alkyl. Independent claims are included for the preparations of (I). [Image].</p> |
