77327-05-0 AIDS-002685 AIDS002685 Didemnin B L-Tyrosine, (2S)-2-hydroxypropanoyl-L-prolyl-N-methyl-D-leucyl-L-threonyl-(3S,4R,5S)-4-amino-3-hydroxy-5-methylheptanoyl-(2S,4S)-4-hydroxy-2,5-dimethyl-3-oxohexanoyl-L-leucyl-L-prolyl-N,O-dimethyl-, (9-4)-lactone NSC325319