Two new acyl derivatives of beta-phenylethylamine, N-(2-phenylethyl)-9- oxohexadecacarboxamide (1) and N-(2-phenylethyl)-9-hydroxyhexadecacarboxamide (2), and two new tetrahydroxysterols, cholestane-3 beta, 5 alpha,6 beta-26-tetrol 27-acetate (3) and cholestane-3 beta, 5 alpha, 6 beta-26-tetrol (4),