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Diketopyrropyrrole (DPP Series)
![3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-butyloctyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione, CAS #: 1224709-68-5](http://www.cal-os.com/wp-content/uploads/2016/04/DPP001-WB-300x222.png "DPP001, DPP-iC12(Br)")
![3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-hexyldecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione, CAS #: 1000623-98-2](http://www.cal-os.com/wp-content/uploads/2016/04/DPP002-WB-300x222.png "DPP002, DPP-iC16(Br)")
![3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-decyltetradecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione,](http://www.cal-os.com/wp-content/uploads/2016/04/DPP003-WB-300x222.png "DPP003, DPP-iC24(Br)")
![3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione, CAS #: 1260685-63-9](http://www.cal-os.com/wp-content/uploads/2016/04/DPP004-WB-1-300x221.png "DPP004, DPP-iC20(Br), CAS#: 1260685-63-9")
![3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-ethylhexyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione, CAS #: 1000623-95-9](http://www.cal-os.com/wp-content/uploads/2016/04/DPP005-WB-300x222.png "DPP005, DPP-iC8(Br)")
