... Hoe-Sup Byun, Ravi Kumar Erukulla, and Robert Bittman' Department of Chemistry and Biochemistry, Queens College ... 3.0-4.0 (br m), 1.7-2.3 (br m), 1.25 (br s), 0.88 (t, J = 6.8 ... The organic phase was concentrated to dryness, and the crude material was lyophilized from C6Hs (5 ...