(+-)-trans-Permethrin 1RS-trans-Permethrin 52341-32-9 BRN 4153590 Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, trans-(+-)- NRDC 146 PERMETHRIN(TRANS) trans-(+-)-Permethrin