Linagliptin Intermediate668270-12-0/309956-78-3/109113-72-6/666816-98-4

 Linagliptin Intermediate
①Product Name : Linagliptin
CAS No. :668270-12-0
②Product Name : (R)-3-(Boc-Amino)piperidine
CAS No. :309956-78-3
③Product Name : 2-(Chloromethyl)-4-methylquinazoline
CAS No. :109113-72-6
④Product Name : 8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H))-dione
CAS No. :666816-98-4