2-glyceryl-prostaglandin H2 <=> 2-glyceryl-prostaglandin E2
2-glyceryl-prostaglandin h2 <=> 2-glyceryl-prostaglandin e2
2-glyceryl-prostaglandin H2 <=> 2-glyceryl-prostaglandin E2
2-glyceryl-prostaglandin h2 <=> 2-glyceryl-prostaglandin e2