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基于 PubChem CID 索引，支持名称 / 同义词 / CAS / SMILES 检索。
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4- [4, 5- Dihydro- 4- [2- (2- hydroxy- 5- nitrophenyl) diazenyl] - 3- methyl- 5- oxo- 1H- pyrazol- 1- yl] - benzenesulfonic acid sod ium salt CAS 6359-86-0 PubChem CID 110829
CC1=NN(c2ccc(S(=O)(=O)[O-])cc2)C(=O)C1N=Nc1cc([N+](=O)[O-])ccc1O.[Na+] -
Cc1[nH]n(-c2ccc(S(=O)(=O)[O-])cc2)c(=O)c1N=Nc1cc([N+](=O)[O-])ccc1O.[Na+] -
CC1=NN(c2ccc(S(=O)(=O)[O-])cc2)C(=O)C1N=Nc1cc([N+](=O)O)ccc1O.[Na+] -
Benzenesulfonic acid, 4-(4,5-dihydro-4-(2-(2-hydroxy-5-nitrophenyl)diazenyl)-3-methyl-5-oxo-1H-pyrazol-1-yl)-, sodium salt (1:1) CAS 6359-86-0 PubChem CID 137171737
CC1=NN(c2ccc(S(=O)(=O)[O-])cc2)C(=O)C1N=Nc1cc([N+](=O)[O-])ccc1O.[Na+] -
CC1=NN(c2ccc(S(=O)(=O)O)cc2)C(=O)C1N=Nc1cc([N+](=O)[O-])ccc1O.[Na] -
sodium 4-{5-hydroxy-4-[(2-hydroxy-5-nitrophenyl)diazenyl]-3-methyl-1H-pyrazol-1-yl}benzenesulfonate CAS 6359-86-0 PubChem CID 137217877
Cc1[nH]n(-c2ccc(S(=O)(=O)O)cc2)c(=O)c1N=Nc1cc([N+](=O)[O-])ccc1O.[Na]