From an article from Oct last year
www.usnews.com/news/best-countries/articles/2019-10-01/commentary-us-reliance-on-china-for-generic-drugs-is-a-security-threat?context=amp&__twitter_impression=true
The Other U.S. Prescription Drug Problem
China and India now manufacture about 80% of the drugs consumed in the U.S. This figure understates China's dominance because many of the active ingredients in the Indian manufactured drugs come from China. The U.S. doesn't even manufacture vital drugs like antibiotics anymore, with the last penicillin factory closing in 2004.
And another from sept
www.nbcnews.com/news/amp/ncna1052376?__twitter_impression=true
"If China shut the door on exports of medicines and their key ingredients and raw material, U.S. hospitals and military hospitals and clinics would cease to function within months, if not days," said Rosemary Gibson, author of a book on the subject, "China Rx."
And
Other generic drugs whose key ingredients are manufactured in China include medicines for blood pressure medicine, Alzheimer's, Parkinson's, epilepsy and depression, Gibson says.
And
"The national security risks of increased Chinese dominance of the global API market cannot be overstated," Christopher Priest, the acting deputy assistant director for health care operations and Tricare for the Defense Health Agency, told a U.S.-China advisory panel in Washington this summer.
This link is dated and about risk of dodgy Chinese manufacturers but it does have a long list of medication manufactured in China which probably isn't a bad starting point. Its not an ideal source but it's the best I've found so far. Will keep looking.
www.africanamerica.org/topic/check-out-this-list-of-drugs-manufactured-in-unregulated-or-inspected-china