WX [WuXi PharmaTech (Cayman)] SC 13G/A: SCHEDULE 13G (Amendment No. 3)* WuXi PharmaTech (Cayman)
[SCHEDULE 13G (Amendment No. 3)* WuXi PharmaTech (Cayman) Inc. (Name of Issuer) Ordinary Shares, par value $0.02 per share (Title of Class of Securities) 929352102 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) o Rule 13d-1(b) o Rule 13d-1(c) x Rule 13d-1(d) *The remainder of this cover page shall be filled out for a]