英文名称
2-[4a-(diaminomethylideneamino)-1,9',12'-trihydroxy-2',6',6',8,15',19'-hexamethyl-5',17'-dioxo-8'-(2-phenylethenyl)spiro[3,4,8,8a-tetrahydro-1H-naphthalene-7,14'-pentacyclo[10.5.2.02,7.09,18.015,19]nonadeca-1(18),10-diene]-2-ylidene]propanoic acid