| 摘要 |
An external preparation for skin disease which comprises a nitroimidazole derivative represented by the following formula (I): wherein R1, R3 and R4 may be the same or different and represent a hydrogen atom, a nitro group, a lower alkyl group, a substituted lower alkyl group, a lower alkenyl group, or a substituted lower alkenyl group; and R2 represents a hydrogen atom, a lower alkyl group, a substituted lower alkyl group and a lower alkenyl group or a substituted lower alkenyl group, provided that any one of R1, R3 and R4 is a nitro group.
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