121263-19-2 Calphostin C Carbonic acid, (1R)-2-(12-((2R)-2-(benzoyloxy)propyl)-3,10-dihydro-4,9-dihydroxy-2,6,7,11-tetramethoxy-3,10-dioxo-1-perylenyl)-1-methylethyl 4-hydroxyphenyl ester, stereoisomer Carbonic acid, 2-(12-(2-(benzoyloxy)propyl)-3,10-dihydro-4,9-dihydroxy-2,6,7,11-tetramethoxy-3,10-dioxo-1-perylenyl)-1-methylethyl 4-hydroxyphenyl ester Ucn 1028 C