The Relict CAIs are mineralogically consist of spinel, anorthite, aluminum-diopside, and forsterite; most of them were extensively melted during chondrule formation. Researchers (Krot — etc ) inferred that aluminum-rich chondrules formed by ferromagnesian chondrule precursors (magnesian olivine and pyroxenes and iron and Nickel metal) refractory materials, including relict CAIs, composed of anorthite, spinel, high-calcium pyroxene, and forsterite.

The polymict eucrite Petersburg contains eucritic materials which span a broad range of compositions. The broad compositional range of these clasts documents the diversity of regolith. Their fine grained breccia contains mineral fragments of plagioclases, pyroxenes, spinel, olivine and silica.

Omadacycline is an aminomethyl- with potent activity against Gram-positive and Gram-negative bacteria causing acute bacterial and skin structure infections and community adquired neumonia. Their unique chemical structure that allows it to overcome resistance mechanisms used against minocycline, including drug efflux and ribosomal protection. It has activity against vancomycin-resistant Enterococcus (VRE), carbapenem-resistant Acinetobacter baumannii.