మూస:R65
The chemical-risk Template:R65 generates the redirection title "R65: Harmful: may cause lung damage if swallowed" (as the link text for "R65"), which links to article "List of R-phrases" as the description page for all those R-codes. There are dozens of similar R-phrase templates.
Also see: {{Rlink|rcode}} - template to link any rcode.