(S)-Fenpropathrin 67890-41-9 CYCLOPROPANECARBOXYLIC ACID, 2,2,3,3-TETRAMETHYL-, CYANO(3-PHENOXYPHENYL)METHYL Cyclopropanecarboxylic acid, 2,2,3,3-tetramethyl-, cyano(3-phenoxyphenyl)methyl ester, S-