| abstract |
This invention provides β-D-Glucuronidase substrates of formula (I) wherein R1, R2, and R7 - R12 are independently selected from the group consisting of: hydrogen, fluorine, chlorine, bromine, iodine, alkyl, hydroxyl, alkoxy, carboxyl and nitro groups; R3 - R6 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. |