A relatively newer agent 'latanoprost' is now being used. Which of the following statements is true regarding this agent?
It is PGF2a derivative used in glaucoma It is selective a1 blocker used in benign hyperophy of prostate It is a 5a reductase inhibitor used to reduce the size of enlarged prostate gland It is a PGE2 analogue used intravaginally for cervical priming