Tables 3 and 4 set forth results obtained on the protected intermediates from U.S. Pat. No. 4,418,068 using the same evaluation procedures and on sulfonate analogs outside the scope of the present invention where, according to Formula I, R and R1 are --OSO2 --(CH2)n --CH3 and n is 2 or 6; X is a bond; and R2 is piperidino (4-day evaluation only).