What is the correct structure for (S) -4-cyclohexyl-3-methyl-2-butanone? 
Definitions:
TranSynd
A synthetic heavy-duty automatic transmission oil recommended by Allison, which states that it extends oil change intervals by 300 percent.
CD-50
A classification of heavy-duty gear oil, with "CD-50" indicating the oil's viscosity and performance characteristics according to specific standards.
Pinion Bearing Preload
The amount of force applied to pinion bearings, controlling how tightly they fit, influencing gear meshing and noise.
Thicker Spacer
A broader component used to create distance or fill gaps between objects in various applications.
Q4: Which of the compounds listed below is
Q6: The major product(s),A,of the following reaction, <img
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Q72: Complete the following reaction sequence,giving structural details
Q93: The major product(s),A,of the following reaction, <img
Q101: Based on your knowledge of electrophilic aromatic
Q129: What would you expect to be the