發送短信

數:

提供者:

CAPTCHA:

   _____   _    _     ______    _____     _____   
  / ___// | || | ||  /_   _//  |  ___||  |__  //  
  \___ \\ | || | ||    | ||    | ||__      / //   
  /    // | \\_/ ||   _| ||    | ||__     / //__  
 /____//   \____//   /__//     |_____||  /_____|| 
`-----`     `---`    `--`      `-----`   `-----`

Please enter what you see:

發送短信 : NMR assignment of absolute configuration of a P-chiral diphosphine and mechanics of its stereoselective formation