Moxidectin;Milbemycin B, 5-O-demethyl-28-deoxy-25-(1E)-1,3-dimethyl-1-butenyl-6,28-epoxy-23-(methoxyimino)-, (6R,23E,25S)-;proheart;(6R,23E,25S)-5-O-DeMethyl-28-deoxy-25-[(1E)-1,3-diMethyl-1-buten-1-yl]-6,28-epoxy-23-(MethoxyiMino)MilbeMycin B;[6R,23E,25S