Synonyms: 5a-Pregnan-3b,20a-ylenebis[trimethylammonium iodide] (7CI); Ammonium, 5a-pregnan-3b,20a-ylenebis[trimethyl-, diiodide (8CI); 5a-Pregnane, 3b,20a-bis(trimethylammonio)-, diiodide; 3b,20a-Bisdimethylamino-5a-pregnane methiodide; 5a-Pregn-3b,20a-ylenebis[trimethylammoniumiodide]; Malouetin iodide; Malouetine diiodide; Malouetine iodide