Assertion: cholesterol | /r/HasAspect | 256 stereoisomers
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Source sentences:
text: Cholesterol has 256 stereoisomers that arise from its 8 stereocenters, although only two of the stereoisomers are of biochemical significance (nat-cholesterol and ent-cholesterol, for natural and enantiomer, respectively), and only one occurs naturally (nat-cholesterol).