3d image of hexamethylenetetramine skeletal formula

hexamethylenetetramine methenamine hexamine urotropin formin aminoform heterocyclic adamantane synthesis structure reactivity tetrahedral crown ethers phenolic resins resin mandelic acid hippuric methenamine hippurate antimicrobial antiperspirant astringent staining histology food additive hexamine fuel tablets energy density preservative food adjuvants ingredient agent ins number e239 organic delepine reaction sommelet duff explosives urinary antiseptic substance compound component reagent molecule molecular formula 3d