| 摘要 |
This invention provides beta -D-Glucuronidase substrates of formula (I) wherein R>1<, R>2<, and R>7< - R>12< are independently selected from the group consisting of: hydrogen, fluorine, chlorine, bromine, iodine, alkyl, hydroxyl, alkoxy, carboxyl and nitro groups; R>3< - R>6< are independently selected from the group consisting of hydrogen, fluorine, chlorine, bromine, iodine, nitro and amino; and M+ is selected from the group consisting of: proton, lithium, sodium, potassium, magnesium, calcium, barium, and ammonium ion. |
