300816-21-12-ethyl-4-hydrazinyl-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine2-Ethyl-4-hydrazino-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine(10-ethyl-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(12),2(6),8,10-tetraen-12-yl)hydrazine10-ethyl-12-hydrazinyl-7-thia-9,11-diazatricyclo[6.4.0.0,2,6]dodeca-1(12),2(6),8,10-tetraene2-ethyl-5,6,7-trihydrocyclopenta[2,1-d]pyrimidino[4,5-b]thiophene-4-ylhydrazin eCambridge id 5236220Oprea1_100564Oprea1_254438CBDivE_012505AMA81621SBB038549