00452nam a2200157 a 450000500170000000800410001702000180005804100080007608200080008410000240009224500700011626400370018630000270022370000200025070000240027020260717092739.0260717s2012    ii            000 0 eng d  a9781439860762  aeng04a5471 aXu, Rensheng, 1931-10aIntroduction to natural products chemistry /cXu, Rensheng, 1931- 1aBoca Raton :bCRC Press,cc2012.  axviii, 363 p. ; 26 cm.1 aYe, Yang, 1965-1 aZhao, Weimin, 1966-