6-氯-2,3,5,6-四氢-[1,2]联吡啶-4-羧酸叔丁酯

6-CHLORO-2,3,5,6-TETRAHYDRO-[1,2]BIPYRAZINYL-4-CARBOXYLIC ACID TERT-BUTYL ESTER · CAS 426829-52-9