157168-02-0 1H-Isoindole-1,3(2H)-dione, 4,5-bis(phenylamino)- 4,5-Bis(phenylamino)-1H-isoindole-1,3(2H)-dione 4,5-Dianilinophthalimide Cgp 52411 Cgp-52411 DAPH1