... The reaction of ethylene dibromide with 3-methyliso- quinoline, and of 2,5-dibromohexane with quino- line and with 3-methylisoquinoli,ne, gave the hydrobromide of the base; since the fate of the (1) Paper 11, Hartwell and Kornberg, THIS JOURNAL, 68, 1131 (2) Hartwell and Shear, Cancer Research, 7, 716 (1947). (1946). ... P Page 3. 2042 JONATHAN L. HARTWELL AND MILTON A. POGORELSKIN Vol. 72 ...