448964-92-9
benzyl 1-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate
→
448965-10-4
1-甲基-2,4-二氧代-1,2,3,4-四氢-噻吩并[2,3-d]嘧啶-6-羧酸