What is that science formula that has hexagons that look like this.
http://www.google.co.nz/imgres?imgurl=http://www.1-formula.com/upl/Image/image.jpeg&imgrefurl=http://www.1-formula.com/chemical-formulas/structural-formulas/structural-formula.html&usg=__x_8gp6ZiR9ETuPlqrSHyOo6n378=&h=311&w=300&sz=46&hl=en&start=0&zoom=1&tbnid=0Xvxmo1Ulbw5CM:&tbnh=127&tbnw=123&prev=/images%3Fq%3Dchemical%2Bformulas%26um%3D1%26hl%3Den%26sa%3DG%26biw%3D1028%26bih%3D664%26tbs%3Disch:1&um=1&itbs=1&iact=rc&dur=452&ei=g7n0TILIEY-2sAOM1JWbDA&oei=g7n0TILIEY-2sAOM1JWbDA&esq=1&page=1&ndsp=24&ved=1t:429,r:18,s:0&tx=68&ty=76
http://www.google.co.nz/imgres?imgurl=http://www.1-formula.com/upl/Image/image.jpeg&imgrefurl=http://www.1-formula.com/chemical-formulas/structural-formulas/structural-formula.html&usg=__x_8gp6ZiR9ETuPlqrSHyOo6n378=&h=311&w=300&sz=46&hl=en&start=0&zoom=1&tbnid=0Xvxmo1Ulbw5CM:&tbnh=127&tbnw=123&prev=/images%3Fq%3Dchemical%2Bformulas%26um%3D1%26hl%3Den%26sa%3DG%26biw%3D1028%26bih%3D664%26tbs%3Disch:1&um=1&itbs=1&iact=rc&dur=452&ei=g7n0TILIEY-2sAOM1JWbDA&oei=g7n0TILIEY-2sAOM1JWbDA&esq=1&page=1&ndsp=24&ved=1t:429,r:18,s:0&tx=68&ty=76