英文别名
19α-methyl-2-oxo-(20α)-4,5-seco-formosanane-4,16-dicarboxylic acid 4-ethyl ester 16-methyl ester;(4aS)-6t-((R)-3-ethyl-2-oxo-2,3-dihydro-indol-3-yl)-1c-methyl-(4ar,8ac)-5,6,8,8a-tetrahydro-1H,4aH-pyrano[3,4-c]pyridine-4,7-dicarboxylic acid 7-ethyl ester 4-methyl ester