顺式-哌啶-2,6-二羧酸二甲酯盐酸盐

吡啶-2,6-二甲酸二酰肼

6-methyloxycarbonyl-2-pyridinecarboxylic acid hydrazide

3,6,9,12,15-pentaoxa-21-azabicyclo[15.3.1]henicosa-1(21),17,19-triene-2,16-dione

2,6-吡啶二羧酸二丁酯