for the following products
(2β,3α,5α,16β,17β)-2,16-dipiperidin-1-ylandrosta-3,17 diol | 2-(1-Piperidinyl)-16-(1-piperidinyl)-5-androstane-3,17-diol | Androstane-3,17-diol,2,16-di-1-piperidinyl-(2b,3a,5a,16b,17b)- and 2,16-Dipiperidin-1-yl-androsta-3,17-diol
