上游原料
ethyl 5-nitro-1H-indole-2-carboxylateethyl 5-amino-1H-indole-2-carboxylateethyl 5-(acetamido)-1H-indole-2-carboxylate5-(acetamido)-1H-indole-2-carboxylic acidethyl 5-([[5-(acetamido)-1H-indol-2-yl]carbonyl]amino)-1H-indole-2-carboxylate5-([[5-(acetamido)-1H-indol-2-yl]carbonyl]amino)-1H-indole-2-carboxylic acid1-(chloromethyl)-2,3-dihydro-1H-benzo[e]indol-5-ol1,2,2a,3,9,9a-hexahydro-4H-benzo[e]cyclopropa[c]indol-4-one
