| Answer | Crossword Clue |
|---|---|
| arsphenamine | A synthetic organic arsenic compound formerly used to treat syphilis and other diseases |
| methotrexate | A synthetic compound that interferes with cell growth and is used to treat leukemia and other forms of cancer |
| tryparsamide | a synthetic crystalline compound of arsenic used in the treatment of trypanosomal and other protozoan infections |
| tryparsamides | TRYPARSAMIDE, a synthetic crystalline compound of arsenic used in the treatment of trypanosomal and other protozoan infections |
