The molecule is a zwitterion obtained by transfer of a proton from the 5-hydroxy to the tertiary amino group of aclacinomycin Y. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It has a role as an antimicrobial agent. It is a conjugate base of an aclacinomycin Y(1+). It is a tautomer of an aclacinomycin Y.
(1R,2R,4S)-4-[(2R,4S,5S,6S)-4-(dimethylazaniumyl)-5-[(2S,4S,5S,6S)-4-hydroxy-6-methyl-5-[[(2R,6S)-6-methyl-5-oxo-2H-pyran-2-yl]oxy]oxan-2-yl]oxy-6-methyloxan-2-yl]oxy-2-ethyl-2,7-dihydroxy-1-methoxycarbonyl-6,11-dioxo-3,4-dihydro-1H-tetracen-5-olate