55308-37-7

L-10503 is a non-hormonal non-prostaglandin antifertility compound[1].

[1] Leonard J. Lerner, et al. effect of day of pregnancy and pregnancy terminating agents on prostaglandin synthesis and metabolism and histamine metabolism in the rat utero-placental fetal complex and lung. Journal of Steroid Biochemistry. Volume 8, Issue 5, May 1977, Pages 395-402.