(试剂)4-(2-CHLOROISONICOTINOYL)MORPHOLINE

1-甲基-2-氧代-1,2-二氢吡啶-4-羧酸甲酯

2-氯-N,N-二甲基-4-吡啶羧酰胺

2-疏基吡啶-4-羧酸

2-chloro-N-methoxy-N-methylpyridine-4-carboxamide