wherein either RI-3 must contain VI or RI-4 must contain VI-1; and RI-5, RI-6, RI-7 and RI-8 are each independently hydrogen, hydroxy or oxy wherein said oxy is substituted with TI or a partially saturated, fully saturated or fully unsaturated one to twelve membered straight or branched carbon chain wherein the carbons, other than the connecting carbon, may optionally be replaced with one or two h