wordpress autocorrects link href from " to \"

I write
“http://www.domain.org” rel=“nofollow“>Visit

and after saving, wordpress mutates it into…

\”http://www.domain.org\” rel=\”nofollow\”>Visit

active plugins:
blog protector final
all in one seo
broken link checker
faster image insert
link cloaking
login lockdown
sociable
wordpress firewall
wordpres table rename
wp super cache
hackadelic seo toc
google xml sitemap
jquery lazy load
exclude pages from navigation
akismet
wp db manager

wordpress version 2.9.2