Guanine is one of the five nucleobases incorporated into biological nucleic acids. Guanine, along with adenine and cytosine, is present in both DNA and RNA, whereas thymine is usually seen only in DNA, and uracil only in RNA. Aciclovir EP Impurity B.
Acyclovir Impurity A
Aciclovir EP Impurity A
Acyclovir – Impurity A Acyclovir Acetate
amines,nucleotides,bases and related reagents,pharmaceutical standards,intermediates,fine chemicals