2-羟基-4-氨基-5-羟甲基嘧啶

L-丝氨酸

尿素

(2R,4R)-2-[(2S)-6c-(4-amino-5-hydroxymethyl-2-oxo-2H-pyrimidin-1-yl)-3t-L-serylamino-3,6-dihydro-2H-pyran-2r-yl]-5-ureido-2,4-dihydroxy-pentanoic acid

2',3'-dihydromildiomycin