1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline,glycine deriv. Ethanaminium, 2-[[(4-ethyl-3,4,12,14-tetrahydro- 4-hydroxy-3,14-dioxo-1H-pyrano[3',4':6,7]indolizino [1,2-b]quinolin-11-yl)methylene]hydrazino]-N,N,N-trimethyl-2-oxo-, chloride Glycine hydrazide, 1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-11-yl deriv. NSC681644