1',3',3'-trimethyl-4-(1,3,3-trimethyl-2,3-dihydro-indol-2-ylmethyl)-1',3'-dihydro-spiro[chromene-2,2'-indole]

螺[1,3,3-三甲基吲哚-(6’-溴苯并二氢吡喃)]

6-bromo-1',3',3'-trimethyl-8-nitrospiro[chromene-2,2'-indole]

螺旋吡喃

螺[1,3,3-三甲基吲哚-(6'-硝基苯并二氢吡喃)]