10389-51-2 4-(4-Nitrophenyl)morpholine 4-(p-Nitrophenyl)morpholine 4-Morpholinyl nitrobenzene Morpholine, 4-(4-nitrophenyl)- Morpholine, 4-(p-nitrophenyl)- N-(p-Nitrophenyl)morpholine NSC27271 p-Morpholinonitrobenzene