| http://www.w3.org/ns/prov#value | - A conjugate, as claimed in claim 19, wherein n=1-7 and R is a carboxylic acid, an alkali or alkaline earth metal salt of a carboxylic acid, or R is an acid chloride, an acid fluoride, or an acyl azide; or R is a hydroxybenzotriazolyl ester, a succinimidyl ester, a sulfosuccinimidyl ester, an alkali or alkaline earth metal salt of a sulfosuccinimidyl ester, a symmetric anhydride, a mixed anhydride
|
