Nitroguanidine, 100 µg/ml, Acetonitrile, 1ml

ß-glucuronidase from ocean-fresh Red Abalone, >100,000 u/ml, 25ml

Fluorescein disodium salt dihydrate, 90%,neat,neat,100mg,

2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL,