These thermodynamic relations are also known as coefficient relations or Maxwell's relations.
T=(∂U∂S)V
P=−(∂U∂V)S
T=(∂H∂S)p
V=(∂H∂p)S
S=−(∂F∂T)V
p=−(∂A∂V)T
S=−(∂G∂T)p
V=(∂G∂p)T