16537-52-3 AI3-27015 BRN 1491141 Casil ENT-27,015 N 4,543 N-(Mercaptomethyl)phthalimide-S-(O-isobutyl)-ethylphosphonodithioate O-Isobutyl-S-(phthalimidomethyl)-ethylphosphonodithioate Phosphonodithioic acid, ethyl-, O-isobutyl ester, S-ester with N-(mercaptomethyl)phthalimide Phosphonodithioic acid, ethyl-, S-((1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)methyl) O-(2-methylpropyl) ester S-((1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)methyl) O-(2-methylpropyl) ethylphosphonodithioate Stauffer N 4543