3-Ethyl-1,5,6,7-tetrahydro-2-methyl-4H-indol-4-one

methyl 5-[[5-[[5-[(2,4-dimethoxy-5-nitrobenzoyl)amino]-2,4-dihexadecoxybenzoyl]amino]-2,4-dimethoxybenzoyl]amino]-2,4-dihexadecoxybenzoate