Liquid nicotine solutions for use in electronic cigarettes; Chemical flavorings in liquid form used to refill electronic cigarette cartridges; Electronic cigarette liquid (e-liquid) comprised of flavorings in liquid form, other than essential oils, used to refill electronic cigarette cartridges; Electronic cigarette liquid (e-liquid) comprised of propylene glycol; Electronic cigarette liquid (e-liquid) comprised of vegetable glycerin; Electronic cigarette liquid (e-liquid) comprised of flavor...