上游原料
5-hydroxy-2-nitrobenzaldehyde(6aR,6bR,12aR)-6a-(hydroxymethyl)-2,2,6b,9,9,12a-hexamethyl-10-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-4a(2H)-picenecarboxylic acid2-(diethoxyphosphoryl)acetic acid(6aR,6bR,12aR)-6a-([[2-(diethoxyphosphoryl)acetyl]oxy]methyl)-2,2,6b,9,9,12a-hexamethyl-10-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-4a(2H)-picenecarboxylic acidmethyl (E)-4-(2-formyl-4-hydroxyanilino)-4-oxo-2-butenoate(6aR,6bR,12aR)-6a-([[(E)-3-(5-hydroxy-2-[[(E)-4-methoxy-4-oxo-2-butenoyl]amino]phenyl)-2-propenoyl]oxy]methyl)-2,2,6b,9,9,12a-hexamethyl-10-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-4a(2H)-picenecarboxylic acid2-amino-5-hydroxybenzaldehydemethyl (E)-4-chloro-4-oxo-2-butenoate2-(diethoxyphosphoryl)acetic acidmethyl (E)-4-(2-formyl-4-hydroxyanilino)-4-oxo-2-butenoate