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4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid;
4-Chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-benzenesulfonic acid;
1-(2-Chloro-5-sulfophenyl)-3-methyl-5-pyrazolone;
1-(2-Chloro-5-sulfophenyl)-3-methyl-2-pyrazolin-5-one;
3-Methyl-1-(2-chl

C10H9ClN2O4S

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89-33-8

1-苯基-5-吡唑啉酮-3-甲酸乙酯;
4,5-二氫-5-氧代-1-苯基-1H-吡唑-3-羧酸乙酯

Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate;
Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate

1-(4'-磺酸苯基)-3-羧基-5-吡唑啉酮

1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone;
4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid

1-(3-磺酸苯基)-3-甲基-5-吡唑啉酮

1-(3-Sulfophenyl)-3-methyl-5-pyrazolone;
3-Methyl-1-(3-sulfophenyl)-2-pyrazolin-5-one;
(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonic acid

1-苯基-5-吡唑啉酮-3-羧酸

5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid;
1-Phenylimidazol-5(4H)-one-3-carboxylic acid

酸性黃23;
食用檸檬黃;
肼黃;
1-(4-磺酸苯基)-4-(4-磺酸苯基偶氮)-5-吡唑啉酮-3-羧酸三鈉鹽

Acid Yellow 23;
C.I.19140;
Tartrazine;
Food Yellow 4;
Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate

1-(2-氯苯基)-3-甲基-5-吡唑啉酮

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one;
2-(2-Chlorophenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-one

5-甲基-2-苯基-1,2-二氫吡唑-3-酮;
1-苯基-3-甲基-5-吡唑啉酮

5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one;
1-Phenyl-3-methyl-5-pyrazolone;
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

1-(3-氯苯基)-3-甲基-5-吡唑啉酮;
MCPMP

1-(3'-Chlorophenyl)-3-methyl-5-pyrazolone;
3-Pyrazolin-5-one,1-(o-chlorophenyl)-3-methyl- (8CI)

3-氨基-1H-吡唑啉酮[3,4-b]喹喔啉

1H-Pyrazolo[3,4-b]quinoxalin-3-amine;
3-Aminopyrazolo[3,4-b]quinoxaline;
NSC 693868

4-苯(甲)酰-3-甲基-1-苯基-5-吡唑啉酮;
1-苯基-3-甲基-4-苯甲酰基-5-吡唑啉酮

3H-Pyrazol-3-one,4-benzoyl-2,4-dihydro-5-methyl-2-phenyl-;
2-Pyrazolin-5-one,4-benzoyl-3-methyl-1-phenyl- (7CI,8CI);
1,4-Dihydro-1-phenyl-3-methyl-4-benzoyl-5H-pyrazol-5-one;
1-Phenyl-3-methyl-4-benzoyl-1H-pyrazol-5(4H)-one;
1-Phenyl-3-methyl-4-benzoyl-2-pyrazolin-5-one;
1-Phenyl-3-methyl-4-benzoyl-5-pyrazolone;
1-Phenyl-3-methyl-4-benzoylpyrazolin-5-one;
1-Phenyl-3-methyl-4-benzoylpyrazolone;
1-Phenyl-3-methyl-4-benzoylpyrazolone-5;
3-Methyl-1-phenyl-4-benzoyl-2-pyrazolin-5-one;
4-Benzoyl-1-phenyl-3-methylpyrazol-5-one;
4-Benzoyl-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one;
4-Benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one;
4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone;
4-Benzoyl-5-methyl-2-phenyl-2H-pyrazol-3(4H)-one;
NSC 144647;
PMBP

苦酮酸;
3-甲基-4-硝基-1-(對(duì)硝基苯基)-2-吡唑啉-5-酮;
4-硝基-3-甲基-1-(對(duì)硝基苯)-5-吡唑啉酮;
3-甲基-4-硝?

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-;
Picrolonicacid (6CI,7CI,8CI);
NSC 5049

1-(4-硝基苯基)-3-甲基-5-吡唑啉酮;
3-甲基-1-(對(duì)硝基苯基)-5-吡唑酮;

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(4-nitrophenyl)-;
2-Pyrazolin-5-one,3-methyl-1-(p-nitrophenyl)- (6CI,7CI,8CI);
1-(4-Nitrophenyl)-3-methyl-2-pyrazolin-5-one;
1-(4-Nitrophenyl)-3-methyl-5-pyrazolone;
1-p-Nitrophenyl-3-methyl-5-pyrazolone;
3-Methyl-1-(4-nitrophenyl)-2-pyrazolin-5-one;
3-Methyl-1-(4-nitrophenyl)-5-pyrazolone;
3-Methyl-N'-(p-nitrophenyl)-5-pyrazolone;
NSC 15353

3-吡唑烷酮鹽酸鹽;
3-吡唑啉酮鹽酸鹽

3-Pyrazolidinone,hydrochloride (1:1);
3-Pyrazolidinone,hydrochloride (7CI);
3-Pyrazolidinone, monohydrochloride (8CI,9CI)

4-三氟乙酰-3-甲基-1-苯基-5-吡唑啉酮

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-;
2-Pyrazolin-5-one,3-methyl-1-phenyl-4-(trifluoroacetyl)- (7CI,8CI);
3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(trifluoroacetyl)- (9CI);
1-Phenyl-3-methyl-4-trifluoroacetylpyrazol-5-one;
3-Methyl-1-phenyl-4-(trifluoroacetyl)-5-pyrazolone;
3-Methyl-1-phenyl-4-trifluoroacetyl-2-pyrazolin-5-one;
3-Methyl-1-phenyl-4-trifluoroacetylpyrazolin-5-one;
4-Trifluoroacetyl-3-methyl-1-phenylpyrazol-5-one;
HPMTFP

C12H9F3N2O2

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