The Complete List of Suppliers for Spiro[2H-1-benzopyran-2,2'-[2H]indole],1',3'-dihydro-3',3'-dimethyl-6-nitro-1'-octadecyl-
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![70877-18-8,Spiro[2H-1-benzopyran-2,2'-[2H]indole],1',3'-dihydro-3',3'-dimethyl-6-nitro-1'-octadecyl-,1-Octadecyl-3,3-dimethyl-6'-nitrospiro(indoline-2,2'-2H-benzopyran);1',3'-Dihydro-3',3'-dimethyl-6-nitro-1'-octadecylspiro[2H-1-benzopyran-2,2'-[2H]indole];1'-Octadecyl-3',3'-dimethyl-6-nitrospiro[2H-1-benzopyran-2,2'-indoline]; SP 18;SP 18 (optical quencher)](http://www.lookchem.com/300w//file1.lookchem.com/300w/substances/2022-03-18-04/64d7f002-f923-467e-afd0-b89eccd500f5.png)