557-24-4

Name:
Maleamic acid
Cas No.:
557-24-4 
Formula:
C4H5NO3  
Synonyms:

Maleamic acid;Maleamate;Maleic acid monoamide; 

557-11-9

Name:
prop-2-enylurea
Cas No.:
557-11-9 
Formula:
C4H8N2O  
Synonyms:

Allylurea; N-Allylurea; 557-11-9; 1-Allylurea; Allylcarbamide; allyl-;prop-2-enylurea; 2-propenyl-; Monoallylurea; N-2-Propenylurea; Urea;