Guan-fu AAcehytisineguan-fu baseKwan-fu base AGuan-fu base AGuan-fu base A USP/EP/BP(2α,11α,13R)-Hetisan-2,11,13,14-tetrol 2,11-diacetateHetisan-2,11,13,14-tetrol,2,13-diacetate, (2a,11a,13R)-Hetisan-2,11,13,14-tetrol, 2,13-diacetate, (2α,11α,13R)-(2alpha,11alpha,13R)-Hetisan-2,11,13,14-tetrol 2,13-diacetate