cyclopentanophenanthrene

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• cyclo- — cycle ♦ Éléments, du gr. kuklos « cercle » : bicycle, hémicycle, motocycle, cyclotourisme. cyclo élément, de cycle. cyclo élément, du gr. kuklos, cercle . I. ⇒CYCL(O) 1, (CYCL , CYCLO )préf. Élément préf. tiré du gr …   Encyclopédie Universelle

• Betula alba — Betulin Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound …   The Collaborative International Dictionary of English

• Betulin — Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound… …   The Collaborative International Dictionary of English

• birch camphor — Betulin Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound …   The Collaborative International Dictionary of English

• C30H50O2 — Betulin Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound …   The Collaborative International Dictionary of English

• Luis E. Miramontes — Luis Ernesto Miramontes Cárdenas (March 16 1925, in Tepic, Nayarit ndash; September 13 2004, in Mexico City) , was a Mexican chemist known as the co inventor of the progestin used in one of the first two oral contraceptives.He obtained his first… …   Wikipedia

• Luis E. Miramontes — ca. 1951 Luis Ernesto Miramontes Cárdenas (1925 2004), inventeur du premier contraceptif oral, est un chimiste mexicain né à Tepic, Nayarit le 16 mars 1925 et décédé à Mexico le …   Wikipédia en Français

• Luis Miramontes — Luis E. Miramontes ca. 1951 Naissance 16 mars 1925 …   Wikipédia en Français

• Luis Ernesto Miramontes — Cárdenas Luis Ernesto Miramontes Cárdenas Nacimiento 16 de marzo de 1925 Tepic, Nayarit …   Wikipedia Español

• Мирамонтес, Луис — Luis E. Miramontes ca. 1953 Луис Эрнесто Мирамонтес Карденас (исп. Luis Ernesto Miramontes Cárdenas; 16 марта 1925 …   Википедия

• Луис Мирамонтес — Луис Мирамонтес, ок. 1951 Луис Эрнесто Мирамонтес Карденас (исп. Luis Ernesto Miramontes Cárdenas; 16 марта 1925 13 сентября 2004) мексиканский химик. Луис Мирамонтес окончил Национальный независимый университет в Мехико. Был профессором химии в… …   Википедия