1,1,2,3,3-PENTAMETHYLINDAN 1,1,2,3,3-Pentamethylindane 1203-17-4 1H-Indene, 2,3-dihydro-1,1,2,3,3-pentamethyl- EINECS 214-868-5 HSDB 5793 Indan, 1,1,2,3,3-pentamethyl-