... J. Pharmacol. 1988, 148, 131. Ibid. 151, 506. 0 1989 American Chemical Society Page 2. ... Carboxylic acid 5 was disappointing in that its affinity for Page 4. Leukotriene D4 Antagonists of Novel Structure Journal of Medicinal Chemistry, 1990, Vol. 33, No. 1 243 Table 11. ...