2510-34-1
N-(3,5-dimethyl-4-carboxyisoxazolyl)urea
→
~99%
22293-60-3
5-乙酰基-6-甲基嘧啶-2,4(1H,3H)-二酮
31301-45-8
3,5-二甲基异噁唑-4-甲酰氯