141388-99-0 4-((4,6-Dihydro-6-oxo-7-phenylthieno(2,3-a)indolizin-9-yl)carbonyl)morpholine Morpholine, 4-((4,6-dihydro-6-oxo-7-phenylthieno(2,3-a)indolizin-9-yl)carbonyl)-