Prostaglandin F2-alpha(PGF-2 alpha) is a stable prostaglandin that stimulates the contraction of uterine and bronchial smooth muscle and produces vasoconstriction (tightening) in some blood vessels. As a pharmaceutical, the generic name of PGF-2 alpha is dinoprost.
  The most common compound on Earth is water. It's formula is H2O, meaning that in one water molecule, there are two hydrogen (H) atoms and one oxygen (O) atom.  Anoth â¦ er common compound is sodium chloride, which most people know as table salt.ydrogen is the most common atom in the universe, and oxygen is the thrid â¦ most common, so water has to be the number one compound.
No Comments. Water is the most abundant compound in the universe; its composition consists of the 1st and 3rd most abundant elements, hydrogen and oxygen (helium is the 2nd most abundant element).Water in liquid form is common on Earth, but on other planetary bodies in the Solar System it is usually present as vapour or ice.o Comments. Water is the most abundant compound in the universe; its composition consists of the 1st and 3rd most abundant elements, hydrogen and oxygen (helium is the 2nd most abundant element).