7.2
[]. Wafaa S Hamama, et al. Facile construction of substituted pyrimido[4,-d]pyrimidones by transformation of enaminouracil. J Adv Res. 23 Mar;4(2):-2.
H32-H3-H39-H33
P26-P264-P27-P27-P28-P32+P32-P34+P34-P3+P3+P338-P33-P362+P364-P43+P233-P4-P
GHS7