英文别名2-(3',3'-Dimethyl-6-nitrospiro[chromene-2,2'-indol]-1'(3'H)-yl)ethyl methacrylate; 2-Propenoic acid, 2-methyl-, 2-(3',3'-dimethyl-6-nitrospiro[2H-1-benzopyran-2,2'-[2H]indol]-1'(3'H)-yl)ethyl ester; 1-(β-methacryloxyethyl)-3,3-dimethyl-6'-nitrospiro(indoline-2,2'-2H-benzopyran) 
