Examlex
Which of the following occurs in approximately 20% - 25% of IVF pregnancies?
Propylbutane
A hydrocarbon with the formula C7H16, representing one of the various structural isomers of heptane.
Condensed Structural Formula
A method of representing the molecules of a compound using lines for bonds and showing the arrangement of connected atoms, but omitting bonding hydrogen atoms.
Methylbutane
An organic compound also known as isopentane, a type of alkane with the formula C5H12.
Dimethylpropane
A branched alkane with the formula C5H12, also known as isopentane, a component of some fuels.
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