吗啉-4-羧酸

2-morpholin-4-yl-N,N-diphenylacetamide

4-methylidenemorpholin-4-ium,chloride

N'-[(6E)-6-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-1H-pyrimidin-2-yl]morpholine-4-carboximidamide

4-(6-methylcyclohexen-1-yl)morpholine