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. 2024 Aug 12;22(8):e8177. doi: 10.2903/j.efsa.2024.8177
Code/trivial name a IUPAC name/SMILES notation/InChiKey b Structural formula b
Triclopyr

[(3,5,6‐trichloro‐2‐pyridyl)oxy]acetic acid O=C(O)COC1 = NC(Cl) = C(Cl)C=C1Cl

REEQLXCGVXDJSQ‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g017.jpg

Triclopyr‐butotyl

(Triclopyr‐BEE)

(Triclopyr butoxyethyl ester)

(BEE)

2‐butoxyethyl [(3,5,6‐trichloro‐2‐pyridyl)oxy]acetate O=C(OCCOCCCC)COC1 = NC(Cl) = C(Cl)C=C1Cl

IVDRCZNHVGQBHZ‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g005.jpg

triclopyr triethylammonium

(TEA)

(Triclopyr‐TEA)

triethylammonium [(3,5,6‐trichloro‐2‐pyridyl)oxy]acetate

O=C([O‐])COC1 = NC(Cl) = C(Cl)C=C1Cl.CC[NH+](CC)CC

ROKVVMOXSZIDEG‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g008.jpg

3,5,6‐TCP

(3,5,6‐trichloro‐2‐pyridinol)

(TCP)

3,5,6‐trichloropyridin‐2‐ol

OC1 = NC(Cl) = C(Cl)C=C1Cl

WCYYAQFQZQEUEN‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g012.jpg

3,5,6‐TCP

Glucuronide

3,5,6‐trichloropyridin‐2‐yl D‐glucopyranosiduronic acid

ClC1 = C(Cl)C=C(Cl)C(OC2[C@@H]([C@H]([C@@H]([C@@H](C(O) = O)O2)O)O)O) = N1

XIPKXSPRDJUGPJ‐OVSONBGKSA‐N

graphic file with name EFS2-22-e8177-g014.jpg

3,5,6‐TCP

Sulfate

3,5,6‐trichloropyridin‐2‐yl hydrogen sulfate

ClC1 = C(Cl)C=C(Cl)C(OS(=O)(O) = O) = N1

VTTUBUMMKMLULX‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g010.jpg

3,6‐DCP

(3,6‐dichloro‐2‐pyridinol)

3,6‐dichloropyridin‐2‐ol

ClC1 = CC=C(N=C1O)Cl

UGPDKBDRRLFGFD‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g001.jpg

6‐MCP

(6‐chloro‐2‐pyridinol)

(MCP)

(Monochloro‐2‐pyridinol)

6‐chloropyridin‐2‐ol

OC1 = NC(Cl) = CC=C1

CLNNBQDAAGDAHI‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g019.jpg
TMP (3,5,6‐trichloro‐2‐methoxypyridine)

2,3,5‐trichloro‐6‐methoxypyridine

ClC1 = CC(Cl) = C(N=C1OC)Cl

RLIVUWLXZBDMBL‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g020.jpg
DCA ([(3,6‐Dichloropyridin‐2‐yl)oxy] acetic acid)

2‐((3,6‐dichloropyridin‐2‐yl)oxy)acetic acid

O=C(O)COC1 = NC(Cl) = CC=C1Cl

KOSARFJJBUXYNE‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g015.jpg
maleamic acid

(Z)‐4‐amino‐4‐oxobut‐2‐enoic acid

O=C(O)/C=C\C(N) = O

FSQQTNAZHBEJLS‐UPHRSURJSA‐N

graphic file with name EFS2-22-e8177-g013.jpg
fumaric amide

(E)‐4‐amino‐4‐oxobut‐2‐enoic acid

O=C(O)/C=C/C(N) = O

FSQQTNAZHBEJLS‐OWOJBTEDSA‐N

graphic file with name EFS2-22-e8177-g006.jpg
succinamic acid

4‐amino‐4‐oxobutanoic acid

O=C(O)CCC(N) = O

JDVPQXZIJDEHAN‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g009.jpg
succinic acid

butanedioic acid

O=C(O)CCC(O) = O

KDYFGRWQOYBRFD‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g018.jpg
((3‐chloro,5,6 dihydroxy − 2‐pyridinyl)oxy)acetic acid

2‐((3‐chloro‐5,6‐dihydroxypyridin‐2‐yl)oxy)acetic acid

O=C(O)COC1 = NC(O) = C(O)C=C1Cl

SALNNZHUWLJLBD‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g007.jpg
chloromaleamic acid

(E)‐4‐amino‐3‐chloro‐4‐oxobut‐2‐enoic acid

O=C(O)/C=C(Cl)\C(N) = O

ZJSYFBCDJYEWPY‐OWOJBTEDSA‐N

graphic file with name EFS2-22-e8177-g003.jpg
fumaric acid

(2E)‐but‐2‐enedioic acid

O=C(O)/C=C/C(O) = O

VZCYOOQTPOCHFL‐OWOJBTEDSA‐N

graphic file with name EFS2-22-e8177-g002.jpg
chlorofumaric amide

(Z)‐4‐amino‐2‐chloro‐4‐oxobut‐2‐enoic acid

NC(/C=C(Cl)/C(O) = O) = O

LAZUBSHZGQELHK‐UPHRSURJSA‐N

graphic file with name EFS2-22-e8177-g011.jpg
deschloro TCP sulfonic acid

2,5‐dichloro‐6‐hydroxypyridine‐3‐sulfonic acid

OS(=O)(=O)c1cc(Cl)c(O)nc1Cl

UFXGVNDRVPSLTR‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g016.jpg

or isomer

deschloro TMP sulfonic acid

2,5‐dichloro‐6‐methoxypyridine‐3‐sulfonic acid

OS(=O)(=O)c1cc(Cl)c(OC)nc1Cl

ITRDYWURDCYPBJ‐UHFFFAOYSA‐N

graphic file with name EFS2-22-e8177-g004.jpg

or isomer

a

The metabolite name in bold is the name used in the conclusion.

b

ACD/Name 2019.1.1 ACD/Labs 2019 Release (File version N05E41, Build 110555, 18 July 2019).

c

ACD/ChemSketch 2019.1.1 ACD/Labs 2019 Release (File version C05H41, Build 110712, 24 July 2019).