... am GMT) and 12:00 pm EST (5:00 pm GMT) - it is not expected to last more than 10 minutes. Tetrahedron. Volume 69, Issue 1, 7 January 2013, Pages 395–409. Cover image Cover image. Facile synthesis of novel 7-aminofuro- and 7-aminothieno[2,3-d]pyridazin-4(5H)-one and ...