Crystal Structures of 6a,6b,7,11a-Tetrahydro-6h,9h-Spiro[chromeno[3′,4′:3,4]pyrrolo[1,2-C]thiazole-11,3′-Indoline]-2′,6-Dione and 5′-Methyl-6a,6b,7,11a-Tetrahydro-6h,9h-Spiro[chromeno[3′,4′:3,4]pyrrolo[1,2-C]thiazole-11,3′-Indoline]-2′,6-Dione

Acta Crystallographica Section E: Crystallographic Communications - United Kingdom

doi 10.1107/s2056989019000045