Guanin, 25g

(2R)-?-Tocopherol-d6 (5,7-di(methyl-d3)),1000 µg/mL,MeOH,1mL

Fenthion-oxon-sulfoxide, 10.0 µg/ml, Acetonitrile

B-One® High-Efficiency Recombinant b-glucuronidase, >12,000 PS-U/mL, All-in-one, 10ml