abstract |
Use of a benzoyl urea compound of the formula: ##STR1## wherein X is a halogen atom or a nitro group, Y is a hydrogen atom, a halogen atom, a nitro group or a trifluoromethyl group, Z 1 is a halogen atom or a trifluoromethyl group, Z 2 is a hydrogen atom or a halogen atom, and A is CH or a nitrogen atom, as an antiviral agent. |