AA-UTP tetrasodium is an amine-modified nucleotide that can be directly incorporated into labeled-UTP (HY-107372)[1].
References
[1] Anilkumar R. Kore. Solid-phase synthesis of new ribo and deoxyribo BrdU probes for labeling and detection of nucleic acids. Tetrahedron Letters 50 (2009) 793-795.