147332-48-7 4-Hexenoic acid, 6-(2-(1-methyl-1-(4-methyl-2-nitrophenoxy)ethyl)-4-(3-pyridinyl)-1,3-dioxan-5-yl)-, (2S-(2alpha,4alpha,5alpha(Z)))- 6-(2-(1-Methyl-1-(2-nitro-4-tolyloxy)ethyl)-4-(3-pyridyl)-1,3-dioxan-5-yl)hex-4-enoic acid D 1542 D1542 Ici D1542 Ici-D1542 ZD 1542