2-Methyl-1-((1,1,3,3,3-pentamethyldisiloxanyl)methyl)-5-vinyl-1lambda~5~-pyridine hydroiodide 2-Methyl-1-[(pentamethyldisiloxanyl)methyl]-5-vinylpyridinium- AIDS-157723 AIDS157723 NSC648483 (IODIDE SALT)