List of unsymmetrical trisindolines.

No. R1	R2	R3	R3′	R4	R4′
174: H	H	H	H	H	Me
175: H	H	5-Br	H	H	H
176: 5-Br	H	5-Br	H	H	H
177: H	H	H	2-Me	H	H
178: H	Bn	H	2-Me	H	H
179: H	Bn	H	5-Br	H	H
180: H	H	5-CN	H	H	H
181: H	Me	H	5-Br	H	H
182: H	H	H	5-Me	H	H
183: H	H	H	6-Me	H	H
184: H	H	H	7-Me	H	H
185: H	H	2-Me	H	H	Me
186: H	H	2-Me	5-Br	H	H
187: H	Bn	H	H	H	Me
188: 5-NO2	H	H	5-Cl	H	H
189: H	Allyl	H	2-Me	H	H
190: H	Allyl	5-Br	H	H	H
191: 5-Cl	Allyl	H	5-Br	H	H