Which of the following sets of reagents accomplishes the synthesis shown below? 
Definitions:
Human Skull
The bony structure that forms the head in the human skeleton, encapsulating the brain and supporting the structures of the face.
Bipedalism
Is the ability to walk upright on two legs, characteristic of humans and their ancestors.
Spinal Cord
A long, thin, tubular structure made up of nervous tissue, which extends from the brain down the back, transmitting nerve signals between the brain and the rest of the body.
Human Childbirth
The process of delivering a baby from the uterus to the outside world, typically through stages of labor and delivery.
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