Chemical Structure of Macrocalyxin G Revised Structure of Maoyerabdosin Chemical Structure of Macrocalyxin H Chemical Structures of Macrocalyxoformin B, C and E Chemical Structure of Macrocalyxin D Studies on Diterpenoids ot Rabdosia macrocalyx var. jiuhua Z. W. Xue et X. W. Wang Chemical Structure of Macrocalyxoformin D Chemical Structure of Macrocalyxin E The Structure of Macrocalyxin B and F