A dipeptide, “x”, on complete hydrolysis gives “y” and “z”; “y” on treatment with aqueous HNO$_2$, produces lactic acid. On the other hand, “z” on heating gives the following cyclic molecule.
Based on the information given, the dipeptide X is:
Match the following Class and their Drug:
(1) Alkylating (P) 5-fluorouracil
(2) Platinum analog (Q) Cisplatin
(3) Antimetabolite (R) Cetuximab
(4) EGF receptor inhibitor (S) Chlorambucil