the percentage of 20 beta-epimers of 3 alpha , 17 alpha , 20-trihydroxy-5 beta-pregnan-11-one , 5 beta-pregnane-3 alpha , 11 beta , 17 alpha , 20-tetrol ( in the normotensive cah , pvs and pos ) and 5 alpha- or 5 beta-pregnane-3 alpha , 17 alpha , 20 , 21-tetrol ( in the hypertensive cah ) varied from nil to 76 % .
C0039082
pvs
C0032460
pos