| 1 | 331761-24-1 | tetramethyl 6-benzoyl-5,5,8,9-tetramethyl-5,6-dihydrospiro(1H-thiopyrano[2,3-c]quinoline-1,2'-[1,3]-dithiole)-2,3,4',5'-tetracarboxylate | tetramethyl 6-benzoyl-5,5,8,9-tetramethyl-5,6-dihydrospiro(1H-thiopyrano[2,3-c]quinoline-1,2'-[1,3]-dithiole)-2,3,4',5'-tetracarboxylate | C33H31NO9S3
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| 2 | 331640-32-5 | tetramethyl 5,5,8-trimethyl-6-(phenylacetyl)-5,6-dihydrospiro(1H-thiopyrano[2,3-c]quinoline-1,2'-[1,3]-dithiole)-2,3,4',5'-tetracarboxylate | tetramethyl 5,5,8-trimethyl-6-(phenylacetyl)-5,6-dihydrospiro(1H-thiopyrano[2,3-c]quinoline-1,2'-[1,3]-dithiole)-2,3,4',5'-tetracarboxylate | C33H31NO9S3
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| 3 | 351468-03-6 | tetramethyl 5',5',9'-trimethyl-6'-(phenylacetyl)-5',6'-dihydrospiro[1,3-dithiole-2,1'-1'H-thiopyrano[2,3-c]quinoline]-2',3',4,5-tetracarboxylate | tetramethyl 5',5',9'-trimethyl-6'-(phenylacetyl)-5',6'-dihydrospiro[1,3-dithiole-2,1'-1'H-thiopyrano[2,3-c]quinoline]-2',3',4,5-tetracarboxylate | C33H31NO9S3
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| 4 | 331640-41-6 | tetramethyl 6-(phenylcarbonyl)-5,5,7,9-tetramethyl-5,6-dihydro-spiro(1H-thiopyrano[2,3-c]quinoline-1,2'-[1,3]-dithiole)-2,3,4',5'-tetracarboxylate | tetramethyl 6-(phenylcarbonyl)-5,5,7,9-tetramethyl-5,6-dihydro-spiro(1H-thiopyrano[2,3-c]quinoline-1,2'-[1,3]-dithiole)-2,3,4',5'-tetracarboxylate | C33H31NO9S3
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