p. 545 - 548
(2007/10/02)ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate
1,4-dichlorophthalazine
2-Amino-4,5,6,7-tetrahydrobenzothiophene-3-carboxylic acid hydrazide
phthalic anhydride
9,10,11,12-Tetrahydro-6H-<1>benzothieno<2',3':4,5>pyrimido<2,1-a>phthalazin-5,8-dione