6-[1-[2-(2-hydroxyethylamino)ethylamino]ethylidene]cyclohexa-2,4-dien-1-one

2-[2-(pyridin-2-ylmethylamino)ethylamino]ethanol

N-[2-(2-hydroxyethylamino)ethyl]acetamide

2-(2-phenyl-4,5-dihydroimidazol-1-yl)ethanol

琥珀酸