Chapter 6. RIZE pages 27 - 30
"Milgrim was enjoying the superior brightness of the nitrogen-filled optics in Brown's Austrian-made monocular well enough, but not the smell of Brown's chewing gum or his proximity in the back of the chilly surveillance van."
Chapter 6. RIZE
Milgrim fantasizes about hitting Brown over the head as they spy on Tito from a graffiti-tagged van. Behind locked doors and mysterious gray box alarms in a room at the New Yorker, Brown substitutes Rize for Ativan ("Same DEA Schedule fucking Four narcotic") prompting Milgrim to consider calling Birdwell, his former dealer to whom he owes money "under awkward circumstances." [378 characters]
The US Drug Enforcement Administration's Schedule IV of Controlled Substances, does not actually include any narcotics e.g. heroin, morphine etc. which are listed under Schedule I.