9,9-联亚茀

3',3',5'-trimethyl-4',5'-dihydro-3'H-spiro[fluorene-9,2'-furan]-5'-ol

4-(9-hydroxy-fluoren-9-yl)-4-methyl-pentan-2-one

二氢茉莉酮

2-amino-4,6,6-trimethylcyclohexa-2,4-diene-1,1,3-tricarbonitrile