Azadirachta indica Neem tree

cinnamon extracts

Cinnamomum cassia extracts

Cigarette smoke extracts

Chloroform extracts

Chlorinated drinking water extracts

Chinese traditional medicine extracts

Chinese medicinal herbs extracts

Chinese herbs extracts

Chinese herbal medicine extracts

Chinese herbal extracts

Chinese herb extracts

chilli seed extracts

chicken bursal extracts

cell-free extracts

cell extracts

celery extracts

cactus extracts

bytyl alcohol extracts