Urushiol
caption: R = (CH 2 ) 14 CH 3 , R = (CH 2 ) 7 CH=CH(CH 2 ) 5 CH 3 , R = (CH 2 ) 7 CH=CHCH 2 CH=CH(CH 2 ) 2 CH 3 , R = (CH 2 ) 7 CH=CHCH 2 CH=CHCH=CHCH 3 , R = (CH 2 ) 7 CH=CHCH 2 CH=CHCH 2 CH=CH 2 , dan lainnya