“…In addition, the phytochemistry of the different species of this genus is discussed over the period of 2000-to the present time (March 2018). It is also noteworthy that before the year 2000, many reports were published relating to natural bioactive sulfur compounds (Al-Said et al, 1996), triterpenes (Diaz et al, 1984;Díaz et al, 1984), sesquiterpene esters (Miski et al, 1983;Miski et al, 1984;Razdan et al, 1989;Appendino et al, 1990;González et al, 1993;Khalilova and Saidkhodzhaev, 1998a), sesquiterpene derivatives of the farnesylbenzofuranone type (Kojima et al, 1999), esters (Saidkhodzhaev et al, 1985a;Saidkhodzhaev et al, 1985b;Golovina et al, 1987;Kerimov et al, 1987;Saidkhodzhaev et al, 1993b;Saidkhodzhaev et al, 1993d;Kobilov et al, 1995b, a;Nazhimutdinova et al, 1995), isocarotane esters (Garg et al, 1998), daucane esters (Miski and Mabry, 1985;Miski and Jakupovic, 1990;Appendino et al, 1997), sesquiterpene coumarins (Buddrus et al, 1985;Nassar et al, 1995;Ahmed, 1999), sesquiterpene lactones (Kir'yalov and Serkerov, 1966;Bagirov et al, 1979a, b;Bagirov et al, 1984;Sagitdinova et al, 1991;Serkerov et al, 1992;Kabilov et al, 1994), terpenoids (Nazhimitdinova and Saidkhodzhaev, 1993;Saidkhodzhaev et al, 1993a;Saidkhodzhaev and Mamatkhanov, 1995;…”