Meprednisone Impurity 1

Chemical Name: 4-(2-((8S,10R,13S,16S,17R)-17-((3-carboxypropanoyl)oxy)-10,13,16-trimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid

Synonym: 3-((1R,2S)-2-amino-1-hydroxypropyl)phenol