Pocapavir -d 3 (SCH-48973-d 3 ; V-073-d 3 ) is the deuterium labeled Pocapavir. Pocapavir (SCH-48973) is an orally active capsid inhibitor. Pocapavir prevents virion uncoating upon entry into the cell. Pocapavir has antiviral activity against polioviruses. Pocapavir also inhibits enterovirus infections.