QUNR [Qunar Cayman Islands] SC 13G/A: (Original Filing)
[CUSIP No. 74906P104 SCHEDULE 13G Page 2 of 12 1. Name of Reporting Person I.R.S. Identification No. of Above Persons (Entities Only) Mayfield XII Management, L.L.C. 2. Check the Appropriate Box if a Member of a Group (see instructions) ¨ x (a) 3. SEC Use Only 4. Citizenship or Place of Organization Delaware Number of Shares Beneficially Owned By Each]