(2008/06/13)
1,3,3-trimethyl-5-methoxy-2-methyleneindoline
1',3'-dihydro-5'-methoxy-1',3',3'-trimethyl-6-nitrospiro[2H-1-benzopyran-2',2'-(2H)-indole]
(±)-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indoline]-5',8-diol
5'-methoxy-1',3',3'-trimethylspiro[benzo[ ]chromene-3,2'-indoline]
8-(1-benzyl-4,5-diphenyl-1H-imidazol-2-yl)-6-bromo-5'-methoxy-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline]