(Methyl 2-(1-nitrosopiperidin-2-yl)-2-phenylacetate); 2-Piperidineacetic acid, 1-nitroso-a-phenyl-, methyl ester; Methyl 1-nitroso-a-phenyl-2-piperidineacetate; (Methyl 2-(1-nitrosopiperidin-2-yl)-2-phenylacetate);