2,4-Dioxo-3-(alpha-acetonylbenzyl)-dihydro-benzopyran thallium salt 2H-1-Benzopyran-2,4(3H)-dione, 3-(3-oxo-1-phenylbutyl)-, ion(1-), thallium(1+) 3-(3-Oxo-1-phenylbutyl)-2H-1-benzopyran-2,4(3H)-dione thallium(1+) 51912-10-8 PTS (pesticide)