Medicine & Life Sciences
U-47700
100%
Opioid Analgesics
43%
Urine
35%
(+,-)-1-cyclohexyl-4-(1,2-diphenylethyl)piperazine
20%
AH 7921
20%
Analgesics
17%
Pharmaceutical Preparations
16%
cathinone
15%
Diamines
14%
Preclinical Drug Evaluations
11%
Cannabinoids
11%
Heroin
11%
Illicit Drugs
11%
Fentanyl
10%
Opiate Alkaloids
10%
Limit of Detection
10%
Drug Users
10%
Drug Discovery
10%
Parents
7%
Morbidity
5%
Mortality
4%
Engineering & Materials Science
Metabolites
67%
Cannabinoids
49%
Opiate Alkaloids
48%
Street Drugs
43%
Drug Discovery
33%
Drug products
26%
Screening
22%
Industry
21%
Derivatives
20%
Earth & Environmental Sciences
urine
51%
drug
40%
analysis
13%
metabolite
11%
drug user
10%
morbidity
6%
screening
5%
mortality
4%
market
4%
detection
3%
methodology
3%
history
3%
method
1%
Chemical Compounds
Drug
26%
Opioid Analgesic
12%
Upjohn Dihydroxylation
12%
Cathinone
10%
Fentanyl
10%
Synthetic Cannabinoid
10%
Metabolite
9%
Heroin
9%
Illicit Drug
9%
Analgesic
7%
Agonist
6%
Pharmaceutical
5%