| 摘要 |
The present invention relates to a compound of formula (I) or (II) and its use for detecting and/or quantifying a solvent S 1 in a solvent S 2 , S 1 and S 2 being distinct:
Wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , X, Y and n are as defined in claim 1. |
