(1-Methylethyl)-1,1'-biphenyl 1,1'-Biphenyl, (1-methylethyl)- 25640-78-2 26545-63-1 4-Isopropylbiphenyl 68306-77-4 Biphenyl, isopropyl- EINECS 247-156-8 HSDB 6160 ISOPROPYLBIPHENYL Isopropyldiphenyl Monoisopropylbiphenyl Wemcol