(2-Ethyl-2-(3-isothiocyanatophenyl)-2-piperidyl)-1,3-dioxolane 117994-64-6 Etoxadrol-2-isothiocyanate Etoxadrol-meta-isothiocyanate Piperidine, 2-(2-ethyl-2-(3-isothiocyanatophenyl)-1,3-dioxolan-4-yl)-, (2S-(2alpha,4beta(R*)))-