P302+P352：IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338：IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
Description
2-Amino-3-hydroxypyridine was used as reagent in reaction of dimethyl acetylenedicarboxylate and triphenylphosphine to yield functionalized coumarins and 1,4-oxazines.
