21-氨基埃坡霉素 B
(1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione ·
(1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione ·