英文别名
1′,3′-dihydro-1′,3′,3′,4-tetramethylspiro[[2H,8H]benzo[1,2-b,3,4-b′]dipyran-8,2′-[2H]indol]-2-one;1',3'-dihydro-1',3',3',4-tetramethylspiro[[2H,8H]benzo[1,2-b,3,4-b']dipyran-8,2'-[2H]indole]-2-one;(1,3,3,4'-tetramethylspiro[indoline-2,8'-2H,8H-pyrano[2,3-h]chromen-2-one]);1,3,3,4'-Tetramethylspiro[indole-2,8'-pyrano[2,3-f]chromene]-2'-one