4'''-demalonylsalvianin + malonyl-CoA <=> salvianin + CoA
4'''-demalonylsalvianin + malonyl-coa <=> salvianin + coa
4'''-demalonylsalvianin + malonyl-CoA <=> salvianin + CoA
4'''-demalonylsalvianin + malonyl-coa <=> salvianin + coa