Phthalazine

139108-65-9
2302632

139108-67-1
2271230

52866-89-4
946874

62399-06-8
855478

103429-70-5
1400288

62761-79-9
2448114

13152-89-1
253270

86437-12-9
287410

87540-49-6
456647