(+)-Methoprene (2E,4E,7S)-1-Methylethyl 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate (7S)-Methoprene 2,4-Dodecadienoic acid, 11-methoxy-3,7,11-trimethyl-, 1-methylethyl ester, (2E,4E,7S)- 65733-16-6 EPA Pesticide Chemical Code 105402 Flea Killer Plus Isopropyl (2E,4E,7S)-11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate S-methoprene ZR 2458 d-Methoprene