Everolimus O-Ethyl Impurity

Chemical Name:  (1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-30-Ethoxy-1,18-Dihydroxy-12-((1R)-2-[(1S,3R,4R)-4-(2-Hydroxyethoxy)-3-Methoxycyclohexy]-1-methylethyl)-19-methoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-aza-tricyclo[30.3.1.04.2]-hexatriaconta-16,24,26,28-tetraene-2,3,10,14,20-pentaone-16-o-ethyl-40-o-(2-hydroxyethyl)-rapamycin

Synonym: 21-O-Ethyl Everolimus (USP) ; Everolimus 16R-Ethoxy Analog

Smile: OCCOC[4:S=I]HC[S=N]H(CC[S=N]H(CC@5)CC[S=I]H(C[14:S=N]HCC(C[S=N]H(C=[S=N]C(C[S=I]H(C[S=I]H(C(C[S=N]H(CC[S=N]H(C=[S=I]CC=[S=I]CC=[S=N]C(C[S=I]H(CC[45:S=I]HOC[S=I](O)(C[S=N]H(CC@45)C)C(C(N[50]C[S=N]H(CCCC@50)C(O@14)=O)=O)=O)OCC)C)C)C)=O)OC)O)C)C)=O)C)OC