4-氯-6-(甲基硫代)嘧啶-5-甲腈

4-methylsulfanyl-6-(4-nitrophenyl)-2-oxopyran-3-carbonitrile

1,4-二氢-6-(甲硫基)-4-氧代-2-苯基-5-嘧啶甲腈

6-(4-fluorophenyl)-4-methylsulfanyl-2-oxopyran-3-carbonitrile

4-甲基硫代-6-氧代-1,6-二氢嘧啶-5-甲腈