15146-99-3 2,4-Dichlorophenoxyacetic acid tetrahydrofurfuryl ester Caswell No. 315BG Caswell No. 589C EINECS 239-207-8 EPA Pesticide Chemical Code 030074 EPA Pesticide Chemical Code 056003 Tetrahydrofurfuryl 2,4-dichlorophenoxyacetate