Compounds of general formula (1) R.sup.1 --X.sup.1 --W--X.sup.2 --Z.sup.1 --Z.sup.2 --R.sup.2 or salts thereof, exhibiting preventive and therapeutic effects against HIV infectious diseases wherein R.sup.1 is an optionally substituted five- or six-membered ring group; X.sup.1 is a free valency or the like; W is a divalent group represented by, e. g., general formula (2) ##STR1## (wherein A and B are each an optionally substituted five- to seven-membered ring; E.sub.1 and E.sub.4 are each optionally substituted carbon or the like; E.sub.2 and E.sub.3 are each oxygen or the like; and a and b are each a single bond or a double bond); X.sup.2 is a divalent group constituting a straight chain moiety; Z.sup.1 is a divalent cyclic group or the like; Z.sup.2 is a free valency or the like; and R.sup.2 is optionally substituted amino or the like.

Compuestos del fórmula general (1) R.sup.1 -- X.sup.1 -- W -- X.sup.2 -- Z.sup.1 -- Z.sup.2 -- R.sup.2 o sales de eso, exhibiendo efectos preventivos y terapéuticos contra enfermedades infecciosas del VIH en donde R.sup.1 es cinco opcionalmente substituidos o six-membered el grupo del anillo; X.sup.1 es una valencia libre o similares; W es un grupo bivalente representado cerca, e. g., ## general del ## STR1 del fórmula (2) (en donde A y B son cada cinco opcionalmente substituidos a seven-membered el anillo; E.sub.1 y E.sub.4 son cada carbón opcionalmente substituido o similares; E.sub.2 y E.sub.3 son cada oxígeno o similares; y a y b son cada un solo enlace o un enlace doble); X.sup.2 es un grupo bivalente que constituye un moiety de la cadena recta; Z.sup.1 es un grupo cíclico bivalente o similares; Z.sup.2 es una valencia libre o similares; y R.sup.2 es opcionalmente amino substituido o similares.

 
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