英文别名
1'-Hydroxy-5',5'-dimethyl-4,7-dioxo-2-sulfanylidenespiro[1,6-dihydropyrano[2,3-d]pyrimidine-5,3'-cyclohexene]-6-carbonitrile;1'-hydroxy-5',5'-dimethyl-4,7-dioxo-2-sulfanylidenespiro[1,6-dihydropyrano[2,3-d]pyrimidine-5,3'-cyclohexene]-6-carbonitrile