(1-Methylpropyl)benzene 135-98-8 2-05-00-00319 (Beilstein Handbook Reference) 2-Phenylbutane 36383-15-0 AI3-00121 BRN 1903902 Benzene, (1-methylpropyl)- Benzene, sec-butyl- EINECS 205-227-0 HSDB 7212 NSC 8466 SEC-BUTYLBENZENE Secondary butylbenzene