英文别名
1'-Acetyl-4,7-dibutoxyspiro-2'-on;1'-acetyl-4,7-dibutoxy-1,3-dihydro-1'H-spiro[benzoimidazole-2,3'-indol]-2'-one;1'-acetyl-4,7-dibutoxy-1,3-dihydrospiro[benzimidazole-2,3'-indol]-2'(1'H)-one;1'-acetyl-4,7-dibutoxyspiro[1,3-dihydrobenzimidazole-2,3'-indole]-2'-one