Antipyrine, 4-(9H-purin-6-ylamino)-

Antipyrine, 4-(beta-acetylstyryl)-

Antipyrine, 4-(dimethylamino)- mixed with sodium nitrite (1:1)

Antipyrine, 4-(dimethylamino)-, sodium salt

Antipyrine, 4-(ethylamino)-

Antipyrine, 4-(morpholinothiocarbonylamino)-

Antipyrine, 4-(p-aminobenzamido)- (6CI, 7CI)

Antipyrine, 4-(phenylglyoxylidenamino)-

Antipyrine, 4-allyl-

Antipyrine, 4-amino-, and sodium nitrite

Antipyrine, 4-benzamido- (7CI)

Antipyrine, 4-butyl-

Antipyrine, 4-ethyl-

Antipyrine, 4-isobutyl-

Antipyrine, 4-isopentyl-

Antipyrine, 4-propyl-

Antipyrine, 4-sec-butyl-

Antipyrine, radical ion(1-), sodium

Antipyrinyl-4-peroxide

Antipyrylazo III