2-Oxazolin-4-one, 5-phenyl-2-(2-propynylamino)- 32962-46-2 5-Phenyl-2-(2-propynylamino)-2-oxazolin-4-one 5-Phenyl-2-(prop-2-ynylamino)-4-oxazolone BRN 0984548 EINECS 251-312-0