Assertion: chlorophyll b | /r/HasProperty | dark green ester
Facets:
value: with the formula
type: OTHER
Source sentences:
text: The two most common types of chlorophyll are chlorophyll a, which is a blue-black ester with the chemical formula C 55 H 72 MgN 4 O 5 , and chlorophyll b, which is a dark green ester with the formula C 55 H 70 MgN 4 O 6 .