User-agent: Mediapartners-Google* 
Disallow: 

User-Agent: *
Disallow: /cgi-bin/clinks/

User-Agent: Yandex*
Disallow: /ultram/
Disallow: /flaxseedoil/
Disallow: /yacht/

User-Agent: StackRambler*
Disallow: /ultram/
Disallow: /flaxseedoil/
Disallow: /yacht/