Selamectin EP Impuity A

Chemical Name: (2aE,2′R,4E,4′S,5′S,6S,6′R,7S,8E,11R,15S,17aR,20Z,20aR,20bS)-6′-cyclohexyl-7-[(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)oxy]-4′,20b-dihydroxy-20-(hydroxyimino)-5′,6,8,19-tetramethyl-3′,4′,5′,6,6′,7,10,11,14,15,17a,20,20a,20b-tetradecahydrospiro[2H,17H-11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2′-pyran]-17-one ((5Z,21R,23S,25R)-25-cyclohexyl-4′-O-de(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-23-hydroxy-5-(hydroxyimino)avermectin A1a)

Synonym: 11-epiprostaglandin E1

Smile: CC1=C[C@@]2([H])C(O[C@@]3([H])C[C@](C/C=C(C)/[C@](O[C@@H]4O[C@@H](C)[C@H](O)[C@@H](OC)C4)([H])[C@@]([H])(C)/C=C/C=C5[C@]2(O)[C@@](OC/5)([H])/C1=N\O)([H])O[C@]6(O[C@@](C7CCCCC7)([H])[C@@]([H])(C)[C@](O)([H])C6)C3)=O