78619-41-7

C-15003P4-βHY Antibiotic C-15003P4-βHY 3-O-(3-Hydroxyisovaleroyl)maytansinol 3-O-(3-Hydroxy-3-methylbutanoyl)maytansinol 3-O-De[2-[methyl(acetyl)amino]-1-oxopropyl]-3-O-(3-hydroxy-3-methylbutanoyl)maytansine Maytansine, O3-de2-(acetylmethylamino)-1-oxopropyl-O3-(3-hydroxy-3-methyl-1-oxobutyl)- 3-De[2-[acetyl(methyl)amino]-1-oxopropyloxy]-3-(3-hydroxy-3-methylbutyryloxy)maytansine