| http://www.w3.org/ns/prov#value | - for detecting even small amounts of blood or other peroxidatively active substances in body fluids; the strips comprising a carrier containing a hydroperoxide, a chromogen, and as an activator, a compound of the formula i'cdc wherein R is a hydrogen atom or a methyl radical and benzene and/or pyridine rings are fused on at least one of the positions indicated with c, (d,e), f and g, provided that
|
