00331pam a2200133 a 4500020002000000041000800020082001200028100001800040245006700058260003000125300000900155653002200164700001100186  a9781439860762c  aeng  a547bXU  aXu, Rensheng.  aIntroduction to Natural Products Chemistry hTextual Documents  aNew YorkbCRC Pressc2012  a363.  aOrganic Chemistry  aYe, Y.