Degradation of atorvastatin: (1<i>R</i>,2<i>S</i>,4<i>S</i>,5<i>S</i>)-4-(4-fluorophenyl)-2-hydroperoxy-4-hydroxy-2-isopropyl-<i>N</i>,5-diphenyl-3,6-dioxabicyclo[3.1.0]hexane-1-carboxamide
Acta crystallographica. Section E