Attached files
file | filename |
---|---|
EX-32.2 - EX-32.2 - UNITED THERAPEUTICS Corp | uthrexh3221231202010k.htm |
EX-32.1 - EX-32.1 - UNITED THERAPEUTICS Corp | uthrexh3211231202010k.htm |
EX-31.2 - EX-31.2 - UNITED THERAPEUTICS Corp | uthrexh3121231202010k.htm |
EX-31.1 - EX-31.1 - UNITED THERAPEUTICS Corp | uthrexh3111231202010k.htm |
EX-23.1 - EX-23.1 - UNITED THERAPEUTICS Corp | uthrexh23112312020.htm |
EX-21 - EX-21 - UNITED THERAPEUTICS Corp | uthrexh211231202010k.htm |
EX-4.2 - EX-4.2 - UNITED THERAPEUTICS Corp | uthrexh421231202010k.htm |
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