Nucleoside-Analog-1 is widely used in antiviral therapies, particularly for treating viral infections such as HIV, hepatitis B, and herpes simplex virus. It functions by mimicking natural nucleosides, incorporating itself into viral DNA or RNA during replication. This incorporation disrupts the viral replication process, effectively inhibiting the virus's ability to multiply and spread within the host. Additionally, Nucleoside-Analog-1 is being explored in cancer research as a potential chemotherapeutic agent, targeting rapidly dividing cancer cells by interfering with their DNA synthesis. Its application extends to research studies focused on understanding viral resistance mechanisms and developing next-generation antiviral drugs.