(+/-)-milbemycin β3

(+/-)-12-epimilbemycin β3

(E)-(S)-6-[(2S,4R,6S,8S,9R)-4-(tert-Butyl-dimethyl-silanyloxy)-8,9-dimethyl-1,7-dioxa-spiro[5.5]undec-2-yl]-2,4-dimethyl-hex-4-enal

(E)-(R)-6-[(2S,4R,6S,8S,9R)-4-(tert-Butyl-dimethyl-silanyloxy)-8,9-dimethyl-1,7-dioxa-spiro[5.5]undec-2-yl]-2,4-dimethyl-hex-4-enal

2,5,6,7-tetrahydro-7,28-dideoxy-25-methyl-(25R)-(+/-)-milbemycin B