| abstract |
Disclosed are molecularly targeted and activated kinase inhibitors and use thereof. Specifically, a compound represented by the following formula A or a pharmaceutically acceptable salt thereof, wherein X is a polar and a non-polar uncharged amino acid such as alanine, proline or threonine; A is alanine; N is asparagine; PABC is —NH-phenyl-CH2-O—; and Z is a drug molecule; wherein the lactobionic acid residue, XAN and PABC are linked to each other by an amide bond; PABC is bonded to Z by an ester group, i.e., —OC(O)—. n Lacto-XAN-PABC-Z (Formula A) |