国别：美国
法规编号：CFR 21-73.3123-1986
原文标题：Food and Drugs. Part 73:Listing of color additives exempt from certification. Section 73.3123:6-Ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophen-3 (2H)-one
发布日期：1986-04-03
实施日期：1986-04-03