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2-Naphthalenesulfonicacid, 6,6'-oxybis-;
2-Naphthalenesulfonicacid, 6,6'-oxydi- (8CI);
2,2'-Dinaphthyl ether-6,6'-disulfonic acid;
6,6'-Oxybis(2-naphthalenesulfonic acid)

C₂₀H₁₄O₇S₂

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69526-88-1

2H-1-Benzopyran-2-one,7-(sulfooxy)-;
7-Hydroxycoumarinsulfate;
Umbelliferone sulfate

C₉H₆O₆S

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76167-66-3

2-Pyrimidinamine,N-[1-[(3-methylphenyl)methyl]-4-piperidinyl]-;
2-Pyrimidinamine, N-(1-((3-methylphenyl)methyl)-4-piperidinyl)-

C₁₇H₂₂N₄

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73737-03-8

2-Pyridinemethanol,3-hydroxy-, 1-oxide;
2-Pyridinemethanol, 3-hydroxy-, 1-oxide (6CI,9CI)

C₆H₇NO₃

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73737-02-7

2-Pyridinemethanol,5-hydroxy-, 1-oxide;
5-Hydroxy-2-pyridinemethanol1-oxide

C₆H₇NO₃

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6071-12-1

2,3-Octadiene-5,7-diyn-1-ol,(-)- (8CI)

C₈H₆O

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2590-27-4

2-Pyrazinemethanol,3,6-dimethyl-a-phenyl-;
Pyrazinemethanol,3,6-dimethyl-a-phenyl-(7CI,9CI);
NSC 105566

C₁₃H₁₄N₂O

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14660-20-9

2-Pentanone, 4-thioxo-;
2,4-Pentanedione,2-thio- (8CI);
2,4-Pentanedione, thio- (7CI);
2-Pentanone-4-thione;
4-Thioxopentan-2-one;
Monothioacetylacetone;
Thioacetylacetone

C₅H₈OS

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4139-61-1

2H-1-Benzopyran-2-one,6-bromo-4-hydroxy-;
Coumarin,6-bromo-4-hydroxy- (7CI,8CI);
6-Bromo-4-hydroxycoumarin

C₉H₅BrO₃

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781665-09-6

2(1H)-Quinolinone,3-acetyl-4-ethyl-;
2(1H)-Quinolinone,3-acetyl-4-ethyl-(9CI)

C₁₃H₁₃NO₂

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4655-65-6

2,3-Naphthalenedicarbonitrile,1,4-dihydro-5-nitro-1,4-dioxo-;
5-Nitro-2,3-dicyano-1,4-naphthoquinone;
DCNNQ

C₁₂H₃N₃O₄

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72479-05-1

2-Pyrrolidinone,5-(bromomethyl)-, (5S)-;
2-Pyrrolidinone,5-(bromomethyl)-, (S)-;
(S)-5-(Bromomethyl)-2-pyrrolidinone

C₅H₈BrNO

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98612-60-3

2-Pyrrolidinone,5-(bromomethyl)-, (5R)-;
2-Pyrrolidinone,5-(bromomethyl)-, (R)-;
(R)-5-Bromomethylpyrrolidin-2-one

C₅H₈BrNO

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130997-64-7

2(3H)-Benzothiazolimine,3-(2-propen-1-yl)-6-(trifluoromethoxy)-, hydrobromide (1:1);
2(3H)-Benzothiazolimine,3-(2-propenyl)-6-(trifluoromethoxy)-, monohydrobromide (9CI)

C₁₁H₉F₃N₂OS.BrH

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781662-97-3

2(5H)-Furanone,3-(hydroxymethyl)-5-(1-methylethyl)-;
2(5H)-Furanone,3-(hydroxymethyl)-5-(1-methylethyl)-(9CI)

C₈H₁₂O₃

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14623-58-6

2(1H)-Pyrimidinethione,5,6-diamino-;
2(1H)-Pyrimidinethione,4,5-diamino- (9CI);
2-Pyrimidinethiol, 4,5-diamino- (7CI,8CI);
2-Mercapto-4,5-pyrimidinediamine;
4,5-Diamino-2-pyrimidinethione