1	1UE	2-amino-5-(phenylsulfanyl)-3,9-dihydro-4h-pyrimido[4,5-B]indol-4-one	1.000
2	1UG	2-amino-5-(1-naphthylsulfanyl)-3,9-dihydro-4h-pyrimido[4,5-B]indol-4-one	0.846
3	TQ3	5-phenylsulfanyl-2,4-quinazolinediamine	0.708