Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
By application of the “phosphotriester method” tri-, penta and nonadeoxynucleotides containing adenine and 6,7-diphenyllumazine bases arranged alternately have been synthesized, characterized by physical means and studied by enzymatic degradations.
