This note provides M AMP; UACUTE; the latest forms of S AMP; OACUTE; a laser gun containing stainless dihydroxycyclopentadiene compounds A, D and M AMP; EACUTE; all for preparation and amperometry; OACUTE; N and use. In one respect, the crystalline forms of this compound are provided: cyclopentadienol and M AMP; EACUTE; all for preparation and amperometry; OACUTE; N and use. On the other hand, substantial non-amorphous forms of this compound are provided, namely dihydrocyclopentyl ester and M AMP; EACUTE; all for preparation and amperometry; OACUTE; N and use. On the other hand, components containing compounds are provided according to the present invention; Oacute; N. in some respects,These components are suitable for managing CI AMP; OACUTE; agents acting on current inventions and AMP; OACUTE; people in need. In another aspect of the invention, namely: Oacute; N, providing M AMP; EACUTE; are used to deal with a variety of indicators, including glaucoma, hypertension and ampere; Oacute; N eyeball and so on. Another aspect of the invention, namely: Oacute; N, provides a toolkit containing compounds according to the invention; Oacute; N and/or compounds containing compounds; /P GT;<;p>;EN LA PRESENTE SE PROPORCIONAN MÚ;LTIPLES FORMAS SÓ;LIDAS DE UN COMPUESTO DE DIHIDROXI CICLOPENTILO DISUSTITUIDO CON A,D DEFINIDO Y MÉ;TODOS PARA SU PREPARACIÓ;N Y USO. EN UN ASPECTO, SE PROPORCIONAN FORMAS CRISTALINAS DE DICHO COMPUESTO DE CICLOPENTILO Y MÉ;TODOS PARA SU PREPARACIÓ;N Y USO. EN OTRO ASPECTO, SE PROPORCIONAN FORMAS SUSTANCIALMENTE AMORFAS DE DICHO COMPUESTO DE DIHIDROXI CICLOPENTILO Y MÉ;TODOS PARA SU PREPARACIÓ;N Y USO. EN AUN OTRO ASPECTO, SE PROPORCIONAN COMPOSICIONES QUE CONTIENEN COMPUESTOS DE ACUERDO CON LA PRESENTE INVENCIÓ;N. EN DETERMINADOS ASPECTOS, TALES COMPOSICIONES SON ADECUADAS PARA LA ADMINISTRACIÓ;N DE AGENTES ACTIVOS DE ACUERDO CON LA PRESENTE INVENCIÓ;N A UN SUJETO QUE LO NECESITA.