Ethyl 1-[2-(2-bromo-5-isopropoxy-4-methoxyphenyl)ethyl]-3-(3-isopropoxy-4-methoxyphenyl)-4-(4-isopropoxy-3-methoxyphenyl)-5-methoxycarbonyl-1H-pyrrole-2-carboxylate

7-isopropoxy-1-(3-isopropoxy-4-methoxyphenyl)-3-[2-(3-isopropoxy-4-methoxyphenyl)ethyl]-8-methoxy-4-oxo-[1]benzopyrano[3,4-b]pyrrol-4(3H)-one

Ethyl 1-[2-(2-bromo-5-isopropoxy-4-methoxyphenyl)ethyl]-5-carboxy-3-(3-isopropoxy-4-methoxyphenyl)-4-(4-isopropoxy-3-methoxyphenyl)-1H-pyrrole-2-carboxylate

3,4-dihydro-7-isopropoxy-1-(3-isopropoxy-4-methoxyphenyl)-3-[2-(3-isopropoxy-4-methoxyphenyl)ethyl]-8-methoxy-4-oxo-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid