Substance Records - Expert Committee on Drug Dependence Information Repository

( (8) | 1 (12) | 2 (16) | 3 (19) | 4 (22) | 5 (10) | 6 (2) | 7 (2) | A (40) | B (31) | C (32) | D (51) | E (22) | F (16) | G (4) | H (12) | I (2) | J (3) | K (5) | L (12) | M (53) | N (35) | O (9) | P (51) | Q (1) | R (5) | S (5) | T (24) | U (2) | V (3) | X (1) | Z (4)

Title	Drug Class	Year(s) and type of review / ECDD meetings
N-Allylnormorphine	opioid	3rd ECDD (1952) - Critical review
N-Allylnormorphine and analogs	opioid	4th ECDD (1954) - Critical review
N-Benzylpiperazine	stimulant	35th ECDD (2012) - Pre-review, 36th ECDD (2014) - Critical review
N-Desethyl istonitazene	opioid	47th ECDD (2024) - Critical review
N-ethyl MDA, MDEA	stimulant	None
N-ethyl-3,4-methylenedioxyamphetamine	stimulant	22nd ECDD (1985) - Critical review
N-ethylamphetamine	stimulant	22nd ECDD (1985) - Critical review
N-Ethylheptedrone	stimulant	47th ECDD (2024) - Critical review
N-Ethylhexedrone	stimulant	42nd ECDD (2019) - Critical review
N-ethylnorpentylone	stimulant	41st ECDD (2018) - Critical review
N-Ethyltenamfetamine	stimulant	26th ECDD (1989) - Critical review
N-hydroxy MDA	stimulant	None
N-Hydroxytenamfetamine	stimulant	26th ECDD (1989) - Critical review
N-Methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine	stimulant	31st ECDD (1999) – Pre-review, 32nd ECDD (2001) - Critical review
N-Pyrrolidino metonitazene	opioid	47th ECDD (2024) - Critical review
N-Pyrrolidino protonitazene	opioid	47th ECDD (2024) - Critical review
Nalbuphine	opioid	25th ECDD (1989) - Critical review
Nealbarbital	sedative	23rd ECDD (1987) - Critical review
Nicocodine	opioid	12th ECDD (1962) - Critical review, 13th ECDD (1964) - Critical review
Nicodicodine	opioid	14th ECDD (1965) - Critical review, 15th ECDD (1966) - Critical review, 19th ECDD (1973) - Critical review
Nicodicodine (less than 100mg or 2.5% when compounded)	opioid	19th ECDD (1973) - Critical review
Nicomorphine	opioid	9th ECDD (1959) - Critical review
Nicotine	stimulant	30th ECDD (1998) – Pre-review
NIMETAZEPAM	benzodiazepine	None
NITRAZEPAM	benzodiazepine	None
Nitrous oxide	sedative	46^th ECDD (2023) - Pre-review
Noracymethadol	opioid	12th ECDD (1962) - Critical review, 13th ECDD (1964) - Critical review
Norcodeine	opioid	9th ECDD (1959) - Critical review
NORDAZEPAM	benzodiazepine	None
Norlevorphanol	opioid	10th ECDD (1960) - Critical review
Normethadone	opioid	7th ECDD (1957) - Critical review
Normethadone preparations	opioid	9th ECDD (1959) - Critical review
Normorphine	opioid	9th ECDD (1959) - Critical review
Norpethidine	opioid	12th ECDD (1962) - Critical review
Norpipanone	opioid	13th ECDD (1964) - Critical review