'tomcat:tomcat-util:5.5.7-alpha'
<dependency>
<groupId>tomcat</groupId>
<artifactId>tomcat-util</artifactId>
<version>5.5.7-alpha</version>
</dependency>
<dependency org="tomcat" name="tomcat-util" rev="5.5.7-alpha"/>
"tomcat", "tomcat-util", "5.5.7-alpha"