N-Acetyl-4-bromotryptophan

4-(4-Ethoxyphenyl)-3-(2-hydroxy-5-methylphenyl)-5-(2-methoxyethyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

4-(3,4-Dimethoxyphenyl)-3-(2-hydroxy-5-methylphenyl)-5-(2-methoxyethyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

4-(3-Ethoxyphenyl)-3-(2-hydroxy-5-methylphenyl)-5-(2-methoxyethyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

4-(3-Ethoxy-4-propoxyphenyl)-3-(2-hydroxy-5-methylphenyl)-5-(2-methoxyethyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

3-(2-Hydroxy-5-methylphenyl)-5-(2-methoxyethyl)-4-(3-propoxyphenyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

3-(2-Hydroxy-5-methylphenyl)-5-(2-methoxyethyl)-4-(4-propoxyphenyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

3-(2-Hydroxy-5-methylphenyl)-5-(2-methoxyethyl)-4-(3-methoxyphenyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

3-(2-Hydroxyphenyl)-4-(3-propoxyphenyl)-5-(pyridin-3-ylmethyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

3-(2-Hydroxyphenyl)-4-(3-hydroxyphenyl)-5-(pyridin-3-ylmethyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one

Methyl 4-[3-(2-hydroxyphenyl)-6-oxo-5-(pyridin-3-ylmethyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-4-yl]benzoate