4,7-dimethyl-2,3-dihydro-1,4-benzoxazine

4-甲基-3,4-二氢-2H-1,4-苯并噁嗪-7-甲醛

(4-methyl-2,3-dihydro-1,4-benzoxazin-7-yl)methanol

2-氯-10-甲基-3,4-二氮吩嗪

3-甲基-1,3-苯并噁唑-2(3H)-硫酮