5 (6) -Tamra Se

(2,5-dioxopyrrolidin-1-yl) 3',6'-bis (dimethylamino) -1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylate; (2,5-dioxopyrrolidin-1-yl) 3',6'-bis (dimethylamino) -3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylate

CN (C) C1=CC2=C (C=C1) C3 (C4=C (C=C (C=C4) C (=O) ON5C (=O) CCC5=O) C (=O) O3) C6=C (O2) C=C (C=C6) N (C) C.CN (C) C1=CC2=C (C=C1) C3 (C4=C (O2) C=C (C=C4) N (C) C) C5=C (C=CC (=C5) C (=O) ON6C (=O) CCC6=O) C (=O) O3