The present invention relates to a composition comprising high purity pyrrole derivative and method for preparation thereof. The present invention particularly relates to compositions comprising Saroglitazar magnesium having purity of 99.0% or more, and one or more of an aldehyde compound of Formula (II), diketo oxirane compound of Formula (III), hydroxy methyl compound of Formula (IV) or dimer compound of Formula (V), relative to saroglitazar magnesium, each present in an amount of about 0.15% or less, respectively, by weight, when measured by area percentage of HPLC.
本发明涉及一种包含高纯度
吡咯衍
生物的组合物及其制备方法。本发明特别涉及含有纯度达到99.0%或更高的沙罗格利他酸
镁的组合物,以及相对于沙罗格利他酸
镁,分别以大约0.15%或更少的重量含量存在的醛类化合物(式(II))、二酮氧环烷化合物(式(III))、羟甲基化合物(式(IV))或二聚体化合物(式(V)),通过HPLC面积百分比测量。